Wyoming Triathlon Calendar 2025-2026

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Explore the best triathlons in Wyoming for 2025-2026! Our updated list features 23 exciting races across the region. Find your next race in Wyoming below and join the running community at these great events!

July 2025
Jul
26
Saturday

Teton Mountaineering Cache Creek Trail Run

Trail Run 18 km
Jul
30
Wednesday

Race for Freedom

5 km
August 2025
Aug
2
Saturday

El Vaquero Loco

Trail Run 31 km 50 km
Aug
2
Saturday

Klondike Rush

5 km 10 km
Aug
8-10
Fr - Su

Wyoming Range 100-Mile Endurance Run

Trail Run 105 mi
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
Aug
16
Saturday

Grace Race - Buffalo

Trail Run 5 km 10 km 25 km
Aug
22-23
Fr - Sa

Night Crawler Endurance Challenge

Backyard Ultra 4 hr 12 hr
Aug
23
Saturday

Antelope Dash

Trail Run 4 mi 8 mi
Aug
23
Saturday

The Mac - Meeteetse, WY

Trail Run 5 km 15 km
Aug
30
Saturday

Cirque Series - Grand Targhee, WY

Trail Run 7 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
13
Saturday

Jelm Mountain Run

Trail Run 10 mi 50 km
Sep
20
Saturday

Cheyenne Schools Foundation Run

5 km
Sep
20
Saturday

Wolf Creek Wrangle

Trail Run 5 mi 7 mi 13 mi 18 mi
Sep
20
Saturday

Race to Raise: Pinedale Half Marathon

5 km 10 km 13 mi
Sep
27
Saturday

Jackson Hole Marathon

6 mi 13 mi 26 mi
Sep
27
Saturday

Run the Red Desert

Trail Run 25 km 50 km
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