Updates to age limits were made in September 2025
In this Article:
Age Limits by Race Type
-
Sprint & Super Races:
- Open Racers: 14 and up
- Competitive Racers: 16 and up
-
Beast Races:
- Open Racers: 16 and up
- Competitive Racers: 18 and up
-
Ultra Races & Endurance Events (Hurricane Heats, Agoge, etc.):
- Open Racers: 18 and up
- Competitive Racers: 18 and up
-
Trail races:
- 10K: 16 and up
- 21K: 18 and up
- 50K: 18 and up
General Information
- Minimum Age for Adult Races: All participants in adult races must meet the minimum age requirement on race day. No exceptions will be made for underage racers.
- Maximum Age: The maximum age to compete in the continental U.S. is 99.
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Enforcement:
- Any racer found with an underage participant on the course will be removed immediately and will not receive a refund.
- Falsifying registration information to bypass age restrictions will result in a "Did Not Finish" (DNF) status, and no refund will be issued.
Kids Races
- For information on age limits for the Kids' course, please refer to our separate Kids Race FAQ.