Fall Half Marathons 2027: All 174 US half marathons from September to November, with typical race-morning weather and hills

Every active US half marathon we list that usually runs in September through November. Beside each one is what race morning is usually like there, from that race's own past editions, and how much the course climbs, from its course map. 29 have announced their 2027 date; the rest show the date they usually run, marked with a ~. Updated November 10, 2026.

September 2027 (38)

  1. Redmond Harvest Half Marathon
    Redmond, WA · Sep 6, 2027
    1.7 ft/mi20 ft up, 22 ft down
    58–61°F start, high 62°Fno rain in 4 years
  2. Bird-in-Hand Half Marathon
    Bird In Hand, PA · Sep 11, 2027
    Hills not measured yet
    57–70°F start, high 66°Frain in 1 of 12 years
  3. Cedar City Half Marathon
    Cedar City, UT · Sep 11, 2027
    188.7 ft/mi25 ft up, 2,474 ft down
    55–60°F start, high 65°Fno rain in 9 years
  4. Dick Beardsley Half Marathon
    Detroit Lakes, MN · Sep 11, 2027
    22.2 ft/mi291 ft up, 290 ft down
    50–53°F start, high 59°Fno rain in 10 years
  5. Amish Country Half Marathon
    Millersburg, OH · ~Sep 2027
    76.7 ft/mi1,006 ft up, 1,005 ft down
    55–60°F start, high 62°Fno rain in 7 years
  6. Bar Harbor Half Marathon
    Bar Harbor, ME · ~Sep 2027
    86.6 ft/mi1,133 ft up, 1,135 ft down
    45–58°F start, high 52°Fno rain in 5 years
  7. Bozeman Half Marathon & 10K
    Bozeman, MT · Sep 12, 2027
    61.2 ft/mi207 ft up, 802 ft down
    45–52°F start, high 61°Fno rain in 12 years
  8. Fair on the Square Half Marathon
    Danville, IN · ~Sep 2027
    27.3 ft/mi358 ft up, 354 ft down
    54–65°F start, high 63°Frain in 2 of 4 years
  9. Half Marathon-by-the-Sea
    Manchester-by-the-Sea, MA · Sep 12, 2027
    22.2 ft/mi291 ft up, 288 ft down
    58–64°F start, high 68°Frain in 1 of 6 years
  10. Hidden Gem Half Marathon
    Flossmoor, IL · ~Sep 2027
    Hills not measured yet
    52–61°F start, high 66°Fno rain in 7 years
  11. Maple Leaf Half Marathon
    Manchester Center, VT · ~Sep 2027
    Hills not measured yet
    51–66°F start, high 65°Frain in 1 of 12 years
  12. City of Lakes Half Marathon
    Minneapolis, MN · ~Sep 2027
    Hills not measured yet
    54–57°F start, high 62°Fno rain in 8 years
  13. Cocoa International Half Marathon
    Cocoa, FL · ~Sep 2027
    Hills not measured yet
    Too few past race mornings on file
  14. Racefaster Half Marathon
    Paramus, NJ · ~Sep 2027
    Hills not measured yet
    58–68°F start, high 68°Frain in 4 of 9 years
  15. Seasonal Confusion Half Marathon
    Long Beach, CA · ~Sep 2027
    Hills not measured yet
    Too few past race mornings on file
  16. Hills not measured yet
    57–60°F start, high 65°Frain in 1 of 4 years
  17. All-Out Fallfest Half Marathon
    Westminster, CO · Sep 18, 2027
    37.2 ft/mi488 ft up, 488 ft down
    52–58°F start, high 69°Fno rain in 12 years
  18. Autumn Run
    Buena Vista, CO · Sep 18, 2027
    Hills not measured yet
    50–52°F start, high 61°Frain in 1 of 9 years
  19. Battle of Salado Creek Half Marathon
    San Antonio, TX · Sep 18, 2027
    16.6 ft/mi37 ft up, 218 ft down
    94–98°F start, high 96°Fno rain in 3 years
  20. Elm Creek Half Marathon
    Maple Grove, MN · Sep 18, 2027
    45.8 ft/mi599 ft up, 600 ft down
    51–65°F start, high 65°Frain in 2 of 6 years
  21. Anacortes Half Marathon
    Anacortes, WA · ~Sep 2027
    Hills not measured yet
    49–50°F start, high 57°Fno rain in 5 years
  22. Jurassic Jaunt Half Marathon
    Long Beach, CA · ~Sep 2027
    Hills not measured yet
    66°F start, high 67°Fno rain in 3 years
  23. Rochester Half Marathon
    Rochester, NY · Sep 19, 2027
    76.3 ft/mi1,001 ft up, 870 ft down
    48–60°F start, high 59°Frain in 1 of 21 years
  24. Season of the Witch Half Marathon
    Long Beach, CA · ~Sep 2027
    Hills not measured yet
    Too few past race mornings on file
  25. Wicked Half Marathon
    Salem, MA · ~Sep 2027
    24.4 ft/mi320 ft up, 317 ft down
    45–55°F start, high 58°Fno rain in 5 years
  26. Carrollton Half Marathon
    Carrollton, GA · Sep 25, 2027
    Hills not measured yet
    54–65°F start, high 63°Frain in 1 of 6 years
  27. Wisconsin Lakeside Half Marathon
    Monona, WI · Sep 25, 2027
    Hills not measured yet
    Too few past race mornings on file
  28. Beckley Half Marathon
    Beckley, WV · ~Sep 2027
    Hills not measured yet
    Too few past race mornings on file
  29. Bluegrass Half Marathon
    Johnson City, TN · Sep 26, 2027
    Hills not measured yet
    52–62°F start, high 62°Frain in 1 of 16 years
  30. Hogsback Half Marathon
    Colebrook, CT · ~Sep 2027
    Hills not measured yet
    54–56°F start, high 61°Fno rain in 11 years
  31. 12.4 ft/mi148 ft up, 163 ft down
    75–77°F start, high 79°Fno rain in 5 years
  32. Park2Park Half Marathon
    Holland, MI · ~Sep 2027
    5.9 ft/mi73 ft up, 78 ft down
    53–61°F start, high 63°Fno rain in 11 years
  33. Witch Run Half Marathon
    West Jordan, UT · ~Sep 2027
    3.1 ft/mi41 ft up, 41 ft down
    52–59°F start, high 61°Fno rain in 7 years
  34. Wonderful Water Run Half Marathon
    Stevens Point, WI · ~Sep 2027
    11.0 ft/mi144 ft up, 144 ft down
    45–58°F start, high 63°Fno rain in 6 years
  35. Zanesville City Half Marathon
    Zanesville, OH · ~Sep 2027
    23.5 ft/mi302 ft up, 308 ft down
    56–67°F start, high 61°Fno rain in 7 years
  36. Alien Dash Half Marathon
    Long Beach, CA · ~Sep 2027
    Hills not measured yet
    Too few past race mornings on file
  37. Auburn Half Marathon
    Auburn, CA · ~Sep 2027
    210.3 ft/mi2,748 ft up, 2,757 ft down
    53–67°F start, high 71°Fno rain in 6 years
  38. The Retro Run Half Marathon
    Long Beach, CA · ~Sep 2027
    Hills not measured yet
    67–69°F start, high 70°Fno rain in 4 years

October 2027 (66)

  1. Arches Half Marathon
    Moab, UT · Oct 2, 2027
    77.1 ft/mi1,011 ft up, 1,008 ft down
    44–60°F start, high 65°Fno rain in 10 years
  2. Frosty Feet Half Marathon
    Fairbanks, AK · Oct 2, 2027
    Hills not measured yet
    35–40°F start, high 44°Fno rain in 4 years
  3. Oktoberfest Half Marathon
    Asheville, NC · Oct 2, 2027
    39.8 ft/mi522 ft up, 515 ft down
    58–63°F start, high 66°Fno rain in 3 years
  4. Run for the Gnomes Half Marathon
    Maple Valley, WA · Oct 2, 2027
    Hills not measured yet
    Too few past race mornings on file
  5. Hills not measured yet
    Too few past race mornings on file
  6. Harrisonburg Half Marathon
    Harrisonburg, VA · ~Oct 2027
    52.4 ft/mi687 ft up, 687 ft down
    44–56°F start, high 56°Frain in 2 of 5 years
  7. JELL-O Half Marathon
    Le Roy, NY · ~Oct 2027
    33.6 ft/mi441 ft up, 437 ft down
    47–51°F start, high 55°Fno rain in 5 years
  8. Smuttynose Rockfest Half Marathon
    Hampton, NH · Oct 3, 2027
    4.0 ft/mi45 ft up, 53 ft down
    47–55°F start, high 56°Frain in 3 of 18 years
  9. Hallo-Thanks-Mas Dash
    San Diego, CA · ~Oct 2027
    Hills not measured yet
    Too few past race mornings on file
  10. Never Say Die Run
    Long Beach, CA · ~Oct 2027
    Hills not measured yet
    Too few past race mornings on file
  11. Poulsbo Half Marathon
    Poulsbo, WA · ~Oct 2027
    69.2 ft/mi906 ft up, 907 ft down
    46–50°F start, high 55°Fno rain in 9 years
  12. Stony Creek Half Marathon
    Shelby Township, MI · ~Oct 2027
    25.5 ft/mi327 ft up, 334 ft down
    54–62°F start, high 69°Frain in 1 of 3 years
  13. Battle of Hillotes Half Marathon
    Helotes, TX · Oct 9, 2027
    84.7 ft/mi1,111 ft up, 1,111 ft down
    60–63°F start, high 74°Fno rain in 5 years
  14. Zombie Half Marathon
    Anchorage, AK · Oct 9, 2027
    Hills not measured yet
    38–45°F start, high 41°Frain in 2 of 6 years
  15. 19.1 ft/mi250 ft up, 248 ft down
    59–61°F start, high 67°Fno rain in 4 years
  16. Hernando Water Tower Half Marathon
    Hernando, MS · ~Oct 2027
    44.5 ft/mi559 ft up, 584 ft down
    58–65°F start, high 70°Fno rain in 6 years
  17. 6.8 ft/mi89 ft up, 89 ft down
    45–56°F start, high 54°Frain in 1 of 9 years
  18. Justice Run D.C.
    Washington, DC · ~Oct 2027
    22.9 ft/mi300 ft up, 300 ft down
    Too few past race mornings on file
  19. Northshore Half Marathon
    Mandeville, LA · Oct 10, 2027
    Hills not measured yet
    59–67°F start, high 71°Fno rain in 9 years
  20. Southernmost Half Marathon and 10K
    Key West, FL · Oct 10, 2027
    Hills not measured yet
    78–83°F start, high 81°Fno rain in 3 years
  21. The Driftless Half Marathon
    Lansing, IA · ~Oct 2027
    Hills not measured yet
    45–52°F start, high 54°Fno rain in 3 years
  22. Willie McCool Memorial Half Marathon
    Lubbock, TX · ~Oct 2027
    Hills not measured yet
    Too few past race mornings on file
  23. AthHalf Half Marathon
    Athens, GA · ~Oct 2027
    Hills not measured yet
    53–59°F start, high 58°Fno rain in 4 years
  24. Clo Cow Half Marathon
    Petaluma, CA · ~Oct 2027
    97.4 ft/mi1,276 ft up, 1,277 ft down
    43–55°F start, high 53°Fno rain in 4 years
  25. Nantucket Half Marathon
    Nantucket, MA · ~Oct 2027
    Hills not measured yet
    52–58°F start, high 59°Fno rain in 6 years
  26. Hills not measured yet
    43–52°F start, high 54°Fno rain in 10 years
  27. Danville Half Marathon
    Danville, VA · ~Oct 2027
    Hills not measured yet
    41–55°F start, high 57°Frain in 2 of 11 years
  28. Hero Half Marathon
    Fayetteville, AR · ~Oct 2027
    50.0 ft/mi655 ft up, 655 ft down
    40–53°F start, high 49°Frain in 1 of 10 years
  29. Hoptown Half Marathon
    Hopkinsville, KY · ~Oct 2027
    20.5 ft/mi269 ft up, 269 ft down
    48–61°F start, high 65°Fno rain in 5 years
  30. Lake Washington Half Marathon
    Kirkland, WA · ~Oct 2027
    Hills not measured yet
    52–58°F start, high 56°Fno rain in 4 years
  31. New England Half Marathon
    Concord, NH · Oct 17, 2027
    71.6 ft/mi470 ft up, 939 ft down
    38–50°F start, high 52°Fno rain in 13 years
  32. Reading Hospital Road Run Half Marathon
    West Reading, PA · Oct 17, 2027
    Hills not measured yet
    40–48°F start, high 51°Fno rain in 6 years
  33. Urban Bourbon Half Marathon
    Louisville, KY · ~Oct 2027
    31.5 ft/mi412 ft up, 413 ft down
    46–54°F start, high 56°Frain in 1 of 12 years
  34. Hills not measured yet
    Too few past race mornings on file
  35. YMCA Sandbar Half Marathon
    Englewood, FL · ~Oct 2027
    Hills not measured yet
    74–80°F start, high 78°Frain in 1 of 3 years
  36. Around Cape Ann Half Marathon
    Gloucester, MA · ~Oct 2027
    Hills not measured yet
    47–54°F start, high 58°Fno rain in 7 years
  37. Bull City Race Fest
    Durham, NC · ~Oct 2027
    Hills not measured yet
    43–53°F start, high 54°Fno rain in 6 years
  38. Buoniconti Fund Half Marathon
    Carmichaels, PA · ~Oct 2027
    5.9 ft/mi77 ft up, 77 ft down
    Too few past race mornings on file
  39. City to the Sea Half Marathon
    San Luis Obispo, CA · ~Oct 2027
    81.5 ft/mi891 ft up, 1,069 ft down
    50–55°F start, high 60°Frain in 1 of 18 years
  40. Fleet Feet Half Marathon
    York, PA · ~Oct 2027
    62.7 ft/mi822 ft up, 812 ft down
    Too few past race mornings on file
  41. Greenwich Half Marathon
    Old Greenwich, CT · ~Oct 2027
    Hills not measured yet
    Too few past race mornings on file
  42. Halloween Half Marathon
    Morristown, NJ · ~Oct 2027
    Hills not measured yet
    47–55°F start, high 60°Frain in 2 of 10 years
  43. Huntsville Half Marathon
    Huntsville, TX · ~Oct 2027
    Hills not measured yet
    50–62°F start, high 64°Fno rain in 3 years
  44. Phoenix Wicked Half Marathon
    Peoria, AZ · ~Oct 2027
    11.4 ft/mi150 ft up, 150 ft down
    58–66°F start, high 71°Fno rain in 11 years
  45. End of the Road Half Marathon
    Waterfall, PA · Oct 23, 2027
    32.6 ft/mi427 ft up, 427 ft down
    41–51°F start, high 53°Frain in 2 of 10 years
  46. Run Ocean Isle Beach Half Marathon
    Ocean Isle Beach, NC · Oct 23, 2027
    Hills not measured yet
    54–57°F start, high 58°Fno rain in 5 years
  47. Apex Half Marathon
    Apex, NC · ~Oct 2027
    36.0 ft/mi471 ft up, 472 ft down
    Too few past race mornings on file
  48. City of Colleges Half Marathon
    Conway, AR · ~Oct 2027
    30.7 ft/mi403 ft up, 403 ft down
    48–57°F start, high 57°Fno rain in 5 years
  49. Eternal Surrender Half Marathon
    Coeur d'Alene, ID · ~Oct 2027
    Hills not measured yet
    Too few past race mornings on file
  50. Friends of the Parks Half Marathon
    Coshocton, OH · ~Oct 2027
    Hills not measured yet
    Too few past race mornings on file
  51. Helping Hands Half Marathon
    Muscle Shoals, AL · ~Oct 2027
    Hills not measured yet
    Too few past race mornings on file
  52. Hops Half Marathon
    Murfreesboro, TN · ~Oct 2027
    38.3 ft/mi502 ft up, 500 ft down
    Too few past race mornings on file
  53. Hills not measured yet
    36–48°F start, high 50°Fno rain in 10 years
  54. Mackinac Island Great Turtle Half Marathon
    Mackinac Island, MI · ~Oct 2027
    32.6 ft/mi425 ft up, 427 ft down
    43–46°F start, high 48°Fno rain in 9 years
  55. Mancos Cowboy Half Marathon
    Mancos, CO · ~Oct 2027
    Hills not measured yet
    31–39°F start, high 47°Frain in 1 of 6 years
  56. Nashville Half Marathon
    Nashville, TN · ~Oct 2027
    41.0 ft/mi537 ft up, 537 ft down
    47–63°F start, high 59°Fno rain in 4 years
  57. Seawitch Half Marathon Classic
    Lewes, DE · ~Oct 2027
    Hills not measured yet
    44–54°F start, high 55°Fno rain in 6 years
  58. The Innsbrook Half Marathon
    Innsbrook, MO · ~Oct 2027
    60.4 ft/mi792 ft up, 791 ft down
    46–53°F start, high 56°Fno rain in 6 years
  59. Disney Wine & Dine Half Marathon
    Orlando, FL · ~Oct 2027
    Hills not measured yet
    68–72°F start, high 71°Fno rain in 4 years
  60. Duneland Half Marathon
    Chesterton, IN · ~Oct 2027
    5.4 ft/mi68 ft up, 71 ft down
    39–44°F start, high 50°Fno rain in 7 years
  61. Seacoast Half Marathon
    Portsmouth, NH · ~Oct 2027
    Hills not measured yet
    38–46°F start, high 47°Fno rain in 4 years
  62. Spooky Shuffle
    Van Nuys, CA · ~Oct 2027
    9.3 ft/mi122 ft up, 122 ft down
    Too few past race mornings on file
  63. Trick or Trot Half Marathon
    Long Beach, CA · ~Oct 2027
    Hills not measured yet
    59–61°F start, high 62°Fno rain in 3 years
  64. Tucson Wicked Half Marathon
    Tucson, AZ · ~Oct 2027
    8.8 ft/mi116 ft up, 116 ft down
    61–67°F start, high 75°Fno rain in 4 years
  65. Eastbound Half Marathon & 5K
    Moores Chapel, NC · ~Oct 2027
    Hills not measured yet
    Too few past race mornings on file
  66. Riverview Ramble Half Marathon
    Mount Carmel, IL · ~Oct 2027
    24.4 ft/mi320 ft up, 318 ft down
    52–55°F start, high 57°Fno rain in 4 years

November 2027 (70)

  1. Cambridge Half Marathon
    Cambridge, MA · ~Nov 2027
    46.1 ft/mi604 ft up, 598 ft down
    38–45°F start, high 48°Fno rain in 7 years
  2. Hills not measured yet
    58–61°F start, high 63°Fno rain in 3 years
  3. Hills not measured yet
    48–58°F start, high 59°Frain in 1 of 4 years
  4. 12.0 ft/mi157 ft up, 151 ft down
    Too few past race mornings on file
  5. Carry the Fallen Half Marathon
    Shepherdsville, KY · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  6. Chick-fil-A Corinth Half Marathon
    Corinth, MS · ~Nov 2027
    29.7 ft/mi386 ft up, 390 ft down
    Too few past race mornings on file
  7. Hillbilly Hike Half Marathon
    Indianola, IA · ~Nov 2027
    29.6 ft/mi225 ft up, 388 ft down
    38–43°F start, high 45°Frain in 2 of 13 years
  8. Santa Barbara Half Marathon
    Santa Barbara, CA · Nov 7, 2027
    23.3 ft/mi306 ft up, 289 ft down
    51–54°F start, high 63°Fno rain in 6 years
  9. Summerville Sweet Tea Half Marathon
    Summerville, SC · ~Nov 2027
    12.5 ft/mi164 ft up, 163 ft down
    48–60°F start, high 58°Frain in 1 of 7 years
  10. B.A.A. Boston Half Marathon
    Boston, MA · ~Nov 2027
    37.6 ft/mi493 ft up, 493 ft down
    39–52°F start, high 52°Frain in 1 of 5 years
  11. Harborside Half Marathon
    Newburyport, MA · ~Nov 2027
    23.9 ft/mi309 ft up, 314 ft down
    44–49°F start, high 53°Fno rain in 3 years
  12. Harlon Block Half Marathon
    Weslaco, TX · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  13. 56.3 ft/mi738 ft up, 409 ft down
    47–54°F start, high 56°Fno rain in 5 years
  14. Monterey Bay Half Marathon
    Monterey, CA · ~Nov 2027
    Hills not measured yet
    44–50°F start, high 57°Fno rain in 6 years
  15. Temecula Half Marathon
    Temecula, CA · ~Nov 2027
    68.0 ft/mi884 ft up, 892 ft down
    Too few past race mornings on file
  16. Toyota Music Factory Half Marathon
    Irving, TX · ~Nov 2027
    Hills not measured yet
    52–55°F start, high 61°Fno rain in 3 years
  17. Transmountain Half Marathon
    El Paso, TX · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  18. Boise Half
    Boise, ID · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  19. Bucks & Does 13.1 Pointer
    Nashotah, WI · ~Nov 2027
    Hills not measured yet
    29–48°F start, high 42°Fno rain in 3 years
  20. Catalina Island Half Marathon
    Avalon, CA · ~Nov 2027
    308.7 ft/mi4,046 ft up, 4,047 ft down
    64–70°F start, high 70°Fno rain in 8 years
  21. Centerpoint Half Marathon
    Prattville, AL · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  22. Churchill's Half Marathon
    Perrysburg, OH · ~Nov 2027
    20.2 ft/mi256 ft up, 265 ft down
    29–38°F start, high 40°Fno rain in 13 years
  23. Clarksville Half Marathon
    Clarksville, TN · ~Nov 2027
    44.7 ft/mi586 ft up, 586 ft down
    Too few past race mornings on file
  24. Flying Horse Half Marathon
    Sunland Park, NM · ~Nov 2027
    35.1 ft/mi449 ft up, 460 ft down
    Too few past race mornings on file
  25. Hillacious Half Marathon
    Litchfield, CT · ~Nov 2027
    Hills not measured yet
    46–57°F start, high 53°Fno rain in 4 years
  26. Huffin for the Stuffin Half Marathon
    Long Beach, CA · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  27. Huntsville Half Marathon
    Huntsville, AL · ~Nov 2027
    Hills not measured yet
    44–60°F start, high 61°Fno rain in 6 years
  28. Run Hard Half Marathon
    Lexington, SC · ~Nov 2027
    Hills not measured yet
    57–63°F start, high 64°Frain in 1 of 4 years
  29. Savannah Southern Half
    Savannah, GA · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  30. Secret City Half Marathon
    Oak Ridge, TN · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  31. The Stuffing Shuffle Half Marathon
    Fountain Valley, CA · ~Nov 2027
    3.9 ft/mi49 ft up, 51 ft down
    Too few past race mornings on file
  32. Thrive San Diego Half Marathon
    San Diego, CA · ~Nov 2027
    Hills not measured yet
    52–58°F start, high 62°Fno rain in 3 years
  33. ZombieRunner Quarry Lakes
    Fremont, CA · ~Nov 2027
    10.1 ft/mi132 ft up, 126 ft down
    Too few past race mornings on file
  34. Battleship Half Marathon
    Wilmington, NC · ~Nov 2027
    25.2 ft/mi329 ft up, 330 ft down
    43–60°F start, high 56°Frain in 1 of 14 years
  35. Berkeley Half Marathon
    Berkeley, CA · ~Nov 2027
    Hills not measured yet
    41–49°F start, high 51°Frain in 1 of 3 years
  36. Brookhaven Trail Half Marathon
    Wading River, NY · ~Nov 2027
    Hills not measured yet
    40–56°F start, high 50°Fno rain in 4 years
  37. Cocoa Beach Half Marathon
    Cocoa Beach, FL · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  38. Georgetown Half Marathon
    Washington, DC · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  39. Honor Run Half Marathon
    Florence, KY · ~Nov 2027
    39.8 ft/mi517 ft up, 522 ft down
    31–44°F start, high 39°Frain in 1 of 6 years
  40. New Braunfels Half Marathon
    New Braunfels, TX · ~Nov 2027
    Hills not measured yet
    57–63°F start, high 65°Fno rain in 4 years
  41. Prairie Line Half Marathon
    Oklahoma City, OK · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  42. Run De Pere Half Marathon
    De Pere, WI · ~Nov 2027
    Hills not measured yet
    31–36°F start, high 40°Fno rain in 4 years
  43. Run the Vineyards Half Marathon
    Williamstown, NJ · ~Nov 2027
    10.1 ft/mi133 ft up, 133 ft down
    37–45°F start, high 44°Fno rain in 3 years
  44. ArtFest Half Marathon
    Moultrie, GA · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  45. City of Champions Half Marathon
    Gadsden, AL · ~Nov 2027
    Hills not measured yet
    34–36°F start, high 46°Fno rain in 4 years
  46. Early Bird Turkey Trot Half Marathon
    Kennesaw, GA · ~Nov 2027
    25.3 ft/mi331 ft up, 332 ft down
    34–40°F start, high 47°Fno rain in 3 years
  47. Greensboro Half Marathon
    Greensboro, NC · ~Nov 2027
    26.6 ft/mi349 ft up, 349 ft down
    38–53°F start, high 51°Fno rain in 7 years
  48. Harvest Hustle Half Marathon
    Lake View Terrace, CA · ~Nov 2027
    18.2 ft/mi238 ft up, 237 ft down
    Too few past race mornings on file
  49. Holly Springs Half Marathon
    Holly Springs, NC · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  50. Livestrong at the Y Half Marathon
    Peabody, MA · ~Nov 2027
    Hills not measured yet
    32–41°F start, high 42°Frain in 3 of 5 years
  51. Makoa Half Marathon
    Ewa Beach, HI · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  52. Run Rockaway Beach Thanksgiving Half Marathon
    Rockaway Park, NY · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  53. Seabrook Island Half Marathon
    Seabrook Island, SC · ~Nov 2027
    Hills not measured yet
    44–54°F start, high 53°Frain in 1 of 7 years
  54. Shiner Beer Run
    Shiner, TX · ~Nov 2027
    45.8 ft/mi601 ft up, 474 ft down
    47–66°F start, high 64°Frain in 3 of 12 years
  55. Star City Half Marathon
    Roanoke, VA · ~Nov 2027
    30.7 ft/mi403 ft up, 403 ft down
    35–47°F start, high 48°Frain in 1 of 9 years
  56. Zionsville Half Marathon
    Zionsville, IN · ~Nov 2027
    Hills not measured yet
    34–39°F start, high 39°Fno rain in 3 years
  57. Furgiving Run Half Marathon
    Long Beach, CA · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  58. Get Basted Turkey Trot
    Cumming, GA · ~Nov 2027
    Hills not measured yet
    39–47°F start, high 46°Fno rain in 3 years
  59. Thankful Turkey Half Marathon
    Ponte Vedra, FL · ~Nov 2027
    2.6 ft/mi34 ft up, 34 ft down
    64–67°F start, high 70°Frain in 1 of 3 years
  60. 42.6 ft/mi551 ft up, 558 ft down
    38–55°F start, high 51°Fno rain in 4 years
  61. Gainesville Turkey Trot Half Marathon
    Gainesville, GA · ~Nov 2027
    60.7 ft/mi796 ft up, 773 ft down
    46–57°F start, high 56°Fno rain in 3 years
  62. Gobble Wobble Half Marathon
    Williamson, WV · ~Nov 2027
    Hills not measured yet
    Too few past race mornings on file
  63. Tryptophan Half Marathon
    Cumming, GA · ~Nov 2027
    Hills not measured yet
    45–56°F start, high 53°Frain in 1 of 7 years
  64. Cincinnati Turkey Trot Half Marathon
    Cincinnati, OH · ~Nov 2027
    Hills not measured yet
    27–38°F start, high 37°Frain in 2 of 9 years
  65. Coastal Half Marathon
    Orange Beach, AL · ~Nov 2027
    12.4 ft/mi163 ft up, 163 ft down
    49–53°F start, high 58°Fno rain in 6 years
  66. Dayton Turkey Trot Half Marathon
    Dayton, OH · ~Nov 2027
    7.6 ft/mi100 ft up, 100 ft down
    27–38°F start, high 39°Frain in 1 of 10 years
  67. 7.2 ft/mi94 ft up, 94 ft down
    33–44°F start, high 39°Fno rain in 9 years
  68. Palmetto Peach Half Marathon
    North Augusta, SC · ~Nov 2027
    68.6 ft/mi898 ft up, 899 ft down
    35–48°F start, high 46°Frain in 1 of 6 years
  69. Schaumburg Turkey Trot Half Marathon
    Elk Grove Village, IL · ~Nov 2027
    Hills not measured yet
    30–37°F start, high 39°Frain in 1 of 13 years
  70. Trail Hog Half Marathon
    Venice, FL · ~Nov 2027
    Hills not measured yet
    56–69°F start, high 74°Fno rain in 5 years

Cool race mornings

Races whose typical start is 40°F to 50°F, over at least 5 past race mornings, by date.

  1. Bar Harbor Half Marathon~Sep 2027 · 46°F start
  2. Bozeman Half Marathon & 10KSep 12, 2027 · 49°F start
  3. Wicked Half Marathon~Sep 2027 · 50°F start
  4. JELL-O Half Marathon~Oct 2027 · 47°F start
  5. Poulsbo Half Marathon~Oct 2027 · 49°F start
  6. Hot Cider Hustle - Lansing Half Marathon~Oct 2027 · 49°F start
  7. Mother Earth Brewing Ironclad Half MarathonOct 16, 2027 · 46°F start
  8. Danville Half Marathon~Oct 2027 · 45°F start

And 20 more that also qualify.

Flattest courses

Courses under 10 ft per mile of climb, flattest first.

  1. Redmond Harvest Half MarathonSep 6, 2027 · 1.7 ft/mi
  2. Thankful Turkey Half Marathon~Nov 2027 · 2.6 ft/mi
  3. Witch Run Half Marathon~Sep 2027 · 3.1 ft/mi
  4. The Stuffing Shuffle Half Marathon~Nov 2027 · 3.9 ft/mi
  5. Smuttynose Rockfest Half MarathonOct 3, 2027 · 4.0 ft/mi
  6. Duneland Half Marathon~Oct 2027 · 5.4 ft/mi
  7. Park2Park Half Marathon~Sep 2027 · 5.9 ft/mi
  8. Buoniconti Fund Half Marathon~Oct 2027 · 5.9 ft/mi

And 5 more that also qualify.

In New England

Fall half marathons in Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont, by date.

  1. Bar Harbor Half MarathonBar Harbor, ME · ~Sep 2027
  2. Half Marathon-by-the-SeaManchester-by-the-Sea, MA · Sep 12, 2027
  3. Maple Leaf Half MarathonManchester Center, VT · ~Sep 2027
  4. Tree House Brewing Company Half MarathonDeerfield, MA · ~Sep 2027
  5. Wicked Half MarathonSalem, MA · ~Sep 2027
  6. Hogsback Half MarathonColebrook, CT · ~Sep 2027
  7. Smuttynose Rockfest Half MarathonHampton, NH · Oct 3, 2027
  8. Nantucket Half MarathonNantucket, MA · ~Oct 2027

And 10 more in the list above.

Race-morning weather

The start temperature is the middle half of past race mornings, and the high is the warmest hour while a 9:00-per-mile runner is on course, both from the race's own past editions near its usual date. 126 of the 174 races have at least three of them on file. Each race page has the full history and, closer to race day, the forecast.

How hilly

Climb per mile is the larger of the course's total climb and total descent, divided by its distance, from the race's course map, the same measure as our flat lists. Under 10 ft per mile is flat, under 20 ft per mile nearly flat and under 30 ft per mile gently rolling. 82 of the 174 courses are measured; the rest have no course map yet or one we are still checking.

Questions

How many half marathons are there in fall 2027?

We list 174 US half marathons from September to November 2027: 38 in September, 66 in October and 70 in November.

Which fall half marathons usually have cool race mornings?

Of the races with at least 5 past race mornings on file, 28 usually start between 40°F and 50°F, including Bar Harbor Half Marathon (~Sep 2027, 46°F at the start), Bozeman Half Marathon & 10K (Sep 12, 2027, 49°F at the start), Wicked Half Marathon (~Sep 2027, 50°F at the start) and JELL-O Half Marathon (~Oct 2027, 47°F at the start). The temperatures come from each race's own past race mornings.

What are the flattest fall half marathons?

By climb per mile from each course map: Redmond Harvest Half Marathon (1.7 ft/mi), Thankful Turkey Half Marathon (2.6 ft/mi) and Witch Run Half Marathon (3.1 ft/mi). We have measured 82 of the 174 courses on this list.

What fall half marathons are in New England?

18 on this list: Bar Harbor Half Marathon (Bar Harbor, ME, ~Sep 2027), Half Marathon-by-the-Sea (Manchester-by-the-Sea, MA, Sep 12, 2027), Maple Leaf Half Marathon (Manchester Center, VT, ~Sep 2027), Tree House Brewing Company Half Marathon (Deerfield, MA, ~Sep 2027), Wicked Half Marathon (Salem, MA, ~Sep 2027) and Hogsback Half Marathon (Colebrook, CT, ~Sep 2027), and 12 more below.

Are the 2027 dates confirmed?

29 of the 174 races have announced their 2027 date. The rest show the date they usually run, with a ~ in front, and the list is updated as dates come in. Check the race's own site before you book travel.

Looking for something else? Browse every half marathon by date, see the flattest half marathons or compare races for your goal time.