Rudolph’s Revenge Endurance MTB Challenge
Endurance Singletrack at Isle du Bois State Park • Presented by DFW Series
30-Mile Endurance
~1,500′ ClimbingOne complete lap of the challenging IDB Trail. Combines rocky singletrack and sandy sections. Estimated completion time is a little over two hours.
40-Mile Endurance
~2,500′ ElevationTwo punishing laps of technical climbing, fast fire roads, and rugged terrain. Estimated completion time is around three hours.
About the Ride
Rudolph’s Revenge Endurance MTB Challenge is a mountain bike endurance race featuring challenging singletrack and fast fire roads at Isle du Bois State Park near Aubrey, Texas. Riders can choose between 30-mile and 40-mile races, with routes that combine technical terrain, rocky trails, and sandy sections along the multi-use trail connecting the greenbelt to the state park.
The 30-mile race consists of one lap of the IDB Trail and includes approximately 1,500 feet of technical climbing. The 40-mile race covers two laps, with approximately 2,500 feet of elevation change. Estimated completion times are a little over two hours for the 30-mile route and around three hours for the 40-mile route.
Both races start at 10:00 AM. Categories include geared and single-speed divisions, with a junior under-13 category available for the 30-mile race. Awards are offered to the top three finishers in the listed categories, including male and female geared riders, single-speed riders, and junior competitors.

Tour de Cypress Ride