Cannonball Marathon
Cannonball Marathon race day weather
Cool start, warming trend ahead
Runners will face temperatures starting at 55°F and climbing to 67°F by the finish, requiring pace adjustments as the race progresses. With light winds from the NW at 6 mph, the course will feel manageable, though humidity at 66% may impact comfort levels. Early laps should be run conservatively, with hydration strategies emphasized as temperatures rise.
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Cannonball Marathon route and elevation
The Cannonball Marathon course has about 1,356 ft (413 m) of climbing and 1,357 ft (414 m) of descent, and finishes near the elevation it starts. It is hillier than 79% of the marathon courses racecast.io has mapped, measured by what the hills cost in time. The hardest mile is mile 22, with 128 ft (39 m) of climbing and a 1.8% average grade.
Biggest climbs
- Miles 7.7 to 9.2: climbs about 150 ft (45 m).
- Miles 18.5 to 19.3: climbs about 100 ft (31 m).
- Miles 20.9 to 22.5: climbs about 150 ft (46 m).
What the hills cost
- 3:30 on a flat course is about 3:32 here (2 minutes slower).
- 4:00 on a flat course is about 4:02 here (2 minutes slower).
- 4:30 on a flat course is about 4:33 here (3 minutes slower).
Hills only, priced mile by mile on the course map. The pace calculator above adds the race-day weather.
Even-effort splits for a 3:30, 4:00 or 4:30 finish
| Mile | Climb | Descent | 3:30 | 4:00 | 4:30 |
|---|---|---|---|---|---|
| 1 | 67 ft | 102 ft | 7:47 | 8:54 | 10:01 |
| 2 | 81 ft | 22 ft | 8:26 | 9:38 | 10:50 |
| 3 | 47 ft | 43 ft | 7:58 | 9:06 | 10:14 |
| 4 | 22 ft | 63 ft | 7:46 | 8:53 | 10:00 |
| 5 | 38 ft | 103 ft | 7:41 | 8:47 | 9:52 |
| 6 | 70 ft | 74 ft | 7:55 | 9:02 | 10:11 |
| 7 | 50 ft | 45 ft | 7:58 | 9:07 | 10:15 |
| 8 | 59 ft | 61 ft | 7:55 | 9:03 | 10:11 |
| 9 | 95 ft | 34 ft | 8:27 | 9:39 | 10:52 |
| 10 | 74 ft | 28 ft | 8:19 | 9:30 | 10:41 |
| 11 | 43 ft | 48 ft | 7:54 | 9:03 | 10:10 |
| 12 | 26 ft | 89 ft | 7:42 | 8:47 | 9:53 |
| 13 | 99 ft | 60 ft | 8:15 | 9:26 | 10:36 |
| 14 | 63 ft | 99 ft | 7:47 | 8:54 | 10:01 |
| 15 | 81 ft | 21 ft | 8:26 | 9:38 | 10:51 |
| 16 | 41 ft | 36 ft | 7:58 | 9:06 | 10:14 |
| 17 | 27 ft | 72 ft | 7:45 | 8:52 | 9:59 |
| 18 | 39 ft | 101 ft | 7:42 | 8:48 | 9:54 |
| 19 | 65 ft | 67 ft | 7:56 | 9:03 | 10:11 |
| 20 | 60 ft | 42 ft | 8:04 | 9:14 | 10:23 |
| 21 | 31 ft | 76 ft | 7:45 | 8:52 | 9:58 |
| 22 | 128 ft | 32 ft | 8:44 | 9:59 | 11:14 |
| 23 | 59 ft | 35 ft | 8:08 | 9:17 | 10:27 |
| 24 | 54 ft | 43 ft | 8:02 | 9:10 | 10:19 |
| 25 | 23 ft | 75 ft | 7:44 | 8:50 | 9:56 |
| 26 | 97 ft | 66 ft | 8:11 | 9:22 | 10:32 |
| Last 0.2 | 8 ft | 12 ft | 1:45 | 2:00 | 2:15 |
Explore the Cannonball Marathon course with the weather and your pace along the route, or compare it with other races.
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About the Cannonball Marathon
The Cannonball Marathon is an annual marathon, half marathon, 10K, and 5K held in Greensboro, North Carolina, one of the longest-running road races in the state. The marathon and half marathon share a course starting and finishing at Jaycee Park within Country Park, following the Atlantic & Yadkin Greenway through north Greensboro; marathon runners complete two loops. The marathon is a Boston Marathon qualifier. Proceeds from the race support the adjacent Greensboro Science Center. Source
