Jackson Hole Marathon

Jackson Hole, WY, USA · September 25, 2027·
partly-cloudy-day35°·53° high·Light·Dry
10
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Jackson Hole Marathon race day weather

partly-cloudy-day
35°at start
62° high
Light
Dry
Your goal
0:00:00

Cool start, gradual warm-up

Runners will face a temperature increase from 35°F at the start to 53°F by the finish. With light winds from the WSW at 7 mph, the headwind during miles 2-5 and 9 will challenge pacing. Runners should start conservatively and adjust their strategies on the rolling terrain, especially in segments with headwinds. Hydration will be key as the temperature rises, but the overall conditions are favorable.

Race day forecast available in 304 days
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Pace Calculator

26.2mi
0:00:00
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Jackson Hole Marathon route and elevation

The Jackson Hole Marathon course has about 527 ft (161 m) of climbing and 457 ft (139 m) of descent, a net rise of about 70 ft (21 m). 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 1, with 71 ft (22 m) of climbing and a 1.3% average grade.

Biggest climbs

  • Start to mile 1.3: climbs about 75 ft (23 m).
  • Miles 9.2 to 15.1: climbs about 150 ft (46 m).
  • Miles 18.9 to 26.2: climbs about 160 ft (49 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
The Jackson Hole Marathon mile splits at even effort for three finish times, with each mile's climb and descent
MileClimbDescent3:304:004:30
171 ft0 ft8:319:4410:57
29 ft67 ft7:438:499:55
37 ft79 ft7:408:469:52
48 ft45 ft7:478:5410:00
540 ft49 ft7:549:0110:09
64 ft50 ft7:458:529:59
761 ft50 ft8:019:1010:18
818 ft24 ft7:559:0210:10
90 ft63 ft7:428:489:54
1027 ft0 ft8:099:1910:29
1124 ft1 ft8:089:1810:27
1213 ft0 ft8:029:1110:21
1320 ft0 ft8:069:1510:24
1424 ft1 ft8:079:1710:27
1543 ft1 ft8:179:2810:38
163 ft23 ft7:518:5810:06
174 ft4 ft7:569:0410:12
180 ft8 ft7:549:0210:10
199 ft4 ft7:589:0710:15
208 ft1 ft8:009:0810:17
2121 ft0 ft8:079:1610:25
2225 ft0 ft8:089:1810:28
2315 ft0 ft8:039:1210:21
2426 ft0 ft8:099:1910:28
2525 ft0 ft8:089:1810:28
2622 ft15 ft8:009:0810:17
Last 0.229 ft4 ft1:592:162:33

Explore the Jackson Hole Marathon course with the weather and your pace along the route, or compare it with other races.

Race Plan

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A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

Race Pace
Weather Splits
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Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
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About the Jackson Hole Marathon

The Jackson Hole Marathon starts at the historic elk antler arch on Jackson Town Square, passes the National Elk Refuge, and follows the community pathway system around the South Park Loop before crossing the Snake River near mile 17. The USATF-certified, Boston-qualifying course finishes at the elk antler arch in Teton Village at the base of the Tetons, run almost entirely above 6,000 feet elevation. The same race weekend includes the Hole Half Marathon and Quarter Marathon, ending with a community Oktoberfest celebration in Teton Village. Jackson sits near the Bridger-Teton National Forest and Grand Teton and Yellowstone National Parks. Source

Race weekend

Saturday, September 25
7:30 AMMarathon (26.2 mi)
9:00 AMHalf Marathon (13.1 mi)10:00 AMQuarter Marathon (6.6 mi)

Jackson Hole Marathon FAQ

When is the 2027 Jackson Hole Marathon?

The 2027 Jackson Hole Marathon will be held on Saturday September 25, 2027.

Is the Jackson Hole Marathon a Boston Marathon Qualifier?

Yes, the Jackson Hole Marathon is an official Boston Marathon qualifier.

What is the time limit for the Jackson Hole Marathon?

The time limit for the Jackson Hole Marathon is 6.75 hours.

What will the weather be like for the 2027 Jackson Hole Marathon?

The forecast calls for a high of 61°F and a low of 35°F with a 8% chance of rain.

What is the elevation gain of the Jackson Hole Marathon?

The Jackson Hole Marathon course has about 527 ft (161 m) of climbing and 457 ft (139 m) of descent, a net rise of about 70 ft (21 m). It is hillier than 79% of the marathon courses racecast.io has mapped, measured by what the hills cost in time.

Is the Jackson Hole Marathon hilly?

Moderately. It has about 20 ft (6 m) of climbing per mile. The hardest mile is mile 1, with 71 ft (22 m) of climbing and a 1.3% average grade. 4:00 on a flat course is about 4:02 here (2 minutes slower).

What is the weather usually like for the Jackson Hole Marathon?

Over the 15 years racecast.io has race-day weather for (2011 to 2026), it averaged 41°F at the start and 57°F by a typical finish. Rain fell during race hours in 2 of those years (2015 and 2020).

What was the hottest Jackson Hole Marathon?

Of the 15 years on record, 2014 was the warmest, reaching 68°F during race hours. The coldest start was 2022, at 32°F.

What was the windiest Jackson Hole Marathon?

Of the 15 years on record, 2020 was the windiest, with wind averaging 17 mph during race hours. The calmest was 2013, at 2 mph.

Jackson Hole Marathon weather history

Based on 15 years of data
Avg Temp
48°F
L:40° H:57°
RunScore
9
Conditions
Rain Freq
13%
2 of 15 yrs
Wind5mph
Dew36°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
clear-night
44°/62°-
9
2025
clear-night
34°/54°-
10
2024
clear-night
35°/56°-
10
2023
cloudy
41°/49°-
10
2022
clear-night
32°/52°-
10
2021
clear-night
32°/55°-
10
2020
rain
45°/54°Light
8
2018
clear-day
37°/59°-
10
2017
clear-day
40°/65°-
9
2016
clear-day
44°/61°-
9
2015
rain
49°/53°Light
9
2014
partly-cloudy-day
45°/68°-
8
2013
partly-cloudy-night
44°/54°-
10
2012
clear-night
39°/57°-
10
2011
clear-night
35°/58°-
10