Wyoming Half Marathon Calendar 2025-2026

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Explore the best half marathons in Wyoming for 2025-2026! Our updated list features 12 exciting races across the region. Find your next race in Wyoming below and join the running community at these great events!

June 2025
Jun
1
Sunday

Visit Casper Marathon

10 km 13 mi 26 mi
July 2025
Jul
4
Friday

Challenge for Charities

5 km 13 mi
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
April 2026
Apr - May
4-3
Sa - Su

Sunrise Scramble

Trail Run 2 mi 5 mi 7 mi 13 mi
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