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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 11 exciting races across the region. Find your next race in Wyoming below and join the running community at these great events!

May 2026
May
24
Su

Wyoming Marathon

5 km 13 mi 26 mi 50 km
June 2026
Jun
7
Su

Visit Casper Marathon

10 km 13 mi 26 mi
July 2026
Jul
11
Sa

Bear River Trail Race

Trail Run 10 km 13 mi 17 mi
Jul
11
Sa

Beartooth Run

5 km 10 km 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
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
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
October 2026
Oct
10-11
Sa - Su

Grand Teton Running Festival

5 km 13 mi