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Wyoming Half Marathon Calendar 2026-2027

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Monthly updates for Wyoming

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Explore the best half marathons in Wyoming for 2026-2027! Our updated list features 17 exciting races across the region. Find your next race in Wyoming below and join the running community at these great events!

June 2026
Jun
5-6
Fr - Sa

Grand Teton Half Marathon

5 km 13 mi ... 26 mi 32 mi
Jun
6
Sa

Grand Teton & Yellowstone Half Marathon

5 km 13 mi
Jun
7
Su

Casper Marathon

10 km Half Marathon Marathon
Jun
20-21
Sa - Su

Race Devils Tower Half Marathon

13 mi
July 2026
Jul
4
Sa

Challenge for Charities

5 km 13 mi
Jul
11
Sa

Bear River Trail Race

Trail Run 10 km 13 mi 17 mi
Jul
11
Sa

Star Valley Half Marathon

5 km 13 mi
Jul
11
Sa

Beartooth Run

3 mi 6 mi 13 mi
August 2026
Aug
15
Sa

Run with the Horses Marathon

3 mi 6 mi 13 mi 26 mi
Aug
15
Sa

Med Bow Rail Marathon

Trail Run Half Marathon Marathon
Aug
22
Sa

John Wayne Grit Series - Jackson Hole

Trail Run 8 km Half Marathon 30 km
September 2026
Sep
13
Su

T-Bird Trek Half Marathon

5 km 10 km 13 mi
Sep
19
Sa

Buffalo Bill Cody Half Marathon

3 mi 6 mi 13 mi
Sep
19
Sa

Wolf Creek Wrangle

Trail Run 5 mi 7 mi 13 mi
Sep
19-20
Sa - Su

Race to Raise: Pinedale Half Marathon

5 km 10 km Half Marathon
Sep
26
Sa

Jackson Hole Marathon

7 mi 13 mi 26 mi
Sep-Oct
28-3
Mo - Sa

Mainly Marathons Center of the Nation Series

5 km 10 km ... 26 mi 50 km
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