Thunderbird Trail Run
Norman, United States • 8 Nov 2025
Event details
The Thunderbird Trail Run takes place on November 8, 2025, at Liberty Lake in Guthrie, Oklahoma. The event offers these distances:
- 100K
- 50K
- 25K
- 12.5K
- 5K
Courses use single-track trails with runnable, flowy sections and some elevation. The official cutoff for all distances is 18 hours. Runners may switch distances before their start but may not drop down to a shorter distance after starting.
Participant information
Finishers receive Thunderbird awards, and the 100K has a special finisher’s buckle. The race provides fully stocked aid stations, post-race meals, a race t-shirt with entry, and complimentary race photos. Hoodies are available for purchase. Trekking poles are allowed. Dogs are permitted only on leash. Walking or hiking the course is allowed.
Race policies: no littering, no stashing supplies on course, and runners who accept a ride are removed from the race and may not re-enter. Runners must follow race management directions; violations can lead to disqualification. In the event of a tie, placements are decided alphabetically. The organizer does not offer refunds; instead a sliding-scale credit is available for future events: 100% credit 90 days or more before the race, 75% credit 30-89 days, and no credit less than 30 days. Visit the organization's website for the most recent information.