About the Ride

Fat Chuck’s Revenge is a mountain bike racing event presented by Sun and Ski Sports. Scheduled for December 19, 2026, in Smithville, Texas, the event features the TMBRA Marathon, with competitive categories for men and women across multiple age groups, as well as an open single-speed division.

The TMBRA Marathon starts at 9:00 AM and consists of three laps. Categories include Pro Open Men, Pro Open Women, men’s age groups 19–29, 30–39, 40–49, 50–59, and 60+, women’s age groups 19–29, 30–39, 40–49, and 50+, and Open Single Speed.

Mini Marathon and Tiny Marathon options are also listed on the race registration schedule, providing alternative distance options for riders looking for shorter challenges.