Isle du Bois Trail Run

Denton, United States • 6 Dec 2025

Isle du Bois Trail Run : Saturday, Dec 6, 2025

The Isle du Bois Trail Run takes place at Ray Roberts Lake State Park, Isle Du Bois, near Pilot Point, TX, approximately one hour north of Dallas and Fort Worth. The event offers multiple trail distances and uses a mix of well-groomed single track and some technical sections with roots and rocks. If trails are wet from rain, the race will move to the greenbelt trails at the same park.

Distances, park entry and policies

  • 50K
  • 20 Miler
  • 10 Miler
  • 4 Miler

According to the event permit, each participant must have a Day Pass, Camping Pass, or Texas State Park Pass; passes are checked during packet pick up and anyone without a pass will be required to pay the park fee through the event. Volunteers earn race credits that can transfer to runners; family members may volunteer and transfer earned credits. Cancellation and transfer policy: cancellations more than 30 days before the race receive 100% race credit for another Blaze Trails event; cancellations between 30 days and two weeks before the race receive 50% race credit. No refunds or transfers are allowed less than two weeks before race day. Bib transfers are allowed up until two weeks before the race only if the event has not sold out; an accepting runner pays a $15 administration fee plus transaction fee and may receive the originally ordered shirt size. Credits must be used within one year unless an extension is approved for medical or military reasons. Visit the organization's website for the most recent information.

Race information

Visit the organization's website for the most recent information.
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