Details:
The traditional “Fat Chuck’s Marathon,” scheduled for Dec. 20, 2025, an all-day event in the mountain biking marathon for all ages at Rocky Hill Ranch in Smithville, Texas. For mountain-bike enthusiasts looking for a winter challenge in Texas, this event marks a solid opportunity to join the marathon circuit, enjoy a full-day ride, and connect with the Texas MTB community via TMBRA’s organized series.
The event is part of the Texas Mountain Bike Racing Association (TMBRA) 25/26 Marathon series and prizes will be awarded. RV and tent camping available.
