Find your race Upcoming Find a Qualifier

Search Dashboard Saved Races Calendar

Helping the trail running community discover, plan for, and thrive at the world's best trail races.

Find Races

Search all trail races
Explore collections
Race series
Race qualifiers
Trail running glossary

Races by Location

Colorado trail races
California trail races
Utah trail races
Arizona trail races
Washington trail races
All US trail races

Lottery Odds

Western States 100
Hardrock 100
High Lonesome 100
UTMB
All calculators

Company

About
Roadmap
Terms of service
Privacy policy

Feedback

Send Feedback
Feature Requests
Report a Bug

© 2026 Trailrace.co. All rights reserved.

Built on bad decisions in Boulder, CO.

Event image

Bighorn Trail Run

4 Race Events50K, 50 Mile, 100 Mile, 25K

Dayton, Wyoming, United States

Course map for Bighorn Trail 100 Mile Endurance Run

Bighorn Trail 100 Mile Endurance Run

Jun 19, 2026

100 MileCrewPacers

Course map for Bighorn Trail Run 18 Mile

Bighorn Trail Run 18 Mile

Jun 20, 2026

25KCrew

Course map for Bighorn Trail Run 32 Mile

Bighorn Trail Run 32 Mile

Jun 20, 2026

50KCrew

Course map for Bighorn Trail Run 52 Mile

Bighorn Trail Run 52 Mile

Jun 20, 2026

50 MileCrew