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

Lottery calendar & calculators

Company

About
Get the app
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.

run.Windsor Race Series

Weld Your Mettle Running Festival

Jun 5, 2027

Eaton, CO, US

100 Mile, 100K, Marathon, Half Marathon, 5K, 50K, 50 Mile

Timed

Weld Your Mettle 36 Hour

Jun 5, 2027

100 MileCrewPacers

Weld Your Mettle 100 Mile

Jun 5, 2027

100 MileCrewPacers

Weld Your Mettle 100K

Jun 5, 2027

100KCrewPacers

Weld Your Mettle Marathon

Jun 5, 2027

MarathonCrewPacers

Weld Your Mettle 14 Mile

Jun 5, 2027

Half MarathonCrew

Weld Your Mettle 7K

Jun 5, 2027

5K

Weld Your Mettle 50K

Jun 5, 2027

50KCrewPacers

Weld Your Mettle 50 Mile

Jun 5, 2027

50 MileCrewPacers