Wyoming Half Marathon Calendar 2025-2026

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Explore the best half marathons in Wyoming for 2025-2026! 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 2025
May
25
Sunday

Wyoming Marathon

5 km 13 mi 26 mi 50 km
June 2025
Jun
1
Sunday

Visit Casper Marathon

10 km 13 mi 26 mi
July 2025
Jul
5-6
Sa - Su

Grand Targhee Wildflower Run

Trail Run 10 km 13 mi 50 km
Jul
12
Saturday

Beartooth Run

5 km 10 km 13 mi
Jul
12
Saturday

Bear River Trail Race

Trail Run 10 km 13 mi 17 mi
August 2025
Aug
9
Saturday

Med Bow Rail Marathon and Half Marathon

Trail Run 13 mi 26 mi
Aug
16
Saturday

Run with the Horses Marathon

5 km 10 km 13 mi 26 mi
September 2025
Sep
7
Sunday

T-Bird Trek Half Marathon

5 km 10 km 13 mi
Sep
13
Saturday

Buffalo Bill Cody Half Marathon

5 km 10 km 13 mi
Sep
20
Saturday

Wolf Creek Wrangle

Trail Run 5 mi 7 mi 13 mi 18 mi
Sep
27
Saturday

Jackson Hole Marathon

6 mi 13 mi 26 mi
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