Wyoming Half Marathon Calendar 2024-2025

Explore the best half marathons in Wyoming for 2024-2025! Our updated list features 4 exciting races across the state. 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
5-6
Sa - Su

Grand Targhee Wildflower Run

Trail Run 10 km 13 mi
August 2025
Aug
16
Saturday

Run with the Horses Marathon

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

T-Bird Trek

5 km 10 km 13 mi