Isle du Bois Trail Run
Denton, United States • 5 Dec 2026
Isle du Bois Trail Run
The Isle du Bois Trail Run takes place at Ray Roberts Lake State Park on the east side of Lake Ray Roberts near Pilot Point, Texas. The event date is Saturday, December 5, 2026. Trails include a mix of well groomed single track and some technical sections with roots and rocks.
Distances offered:
- 50K
- 20 Miler
- 10 Miler
- 4 Miler
Park entry requires a Day Pass, Camping Pass or Texas State Park Pass. Organizers will check passes during packet pick up and participants without a pass will be asked to pay cash so the organizers can pass the fee to the park. If trails are wet from rain, the race will move to the park greenbelt trails.
The organizer provides FAQs, information about cupless race practices, and an introduction to trail running. Volunteers earn race credits that can be applied to future Blaze Trails events and family members may volunteer while a participant runs. Registration closes on Saturday, December 5 at 11:59 PM CT.
The cancellation and transfer policy issues race credits rather than refunds. Cancel more than 30 days before the event to receive 100 percent credit. Cancel between 30 days and two weeks before the event to receive 50 percent credit. No refunds or transfers are allowed less than two weeks before race day. Bib transfers are allowed up until two weeks before the event when the race is not sold out and a $15 administration fee applies. Visit the organization's website for the most recent information.