The Excruciation Exam
Kick off the new year with a grueling mountain bike endurance test presented by the Texas Mountain Bike Racing Association (TMBRA) at Bluff Creek Ranch in Giddings, Texas.
About the Ride
The Excruciation Exam is a premier mountain bike endurance event presented by the Texas Mountain Bike Racing Association (TMBRA). Scheduled for January 2, 2027, at 537 Owl Creek Road in Giddings, Texas, the event features a challenging 71-mile full marathon race with an 8:00 AM mass start and multiple competitive categories.
In addition to the signature 71-mile marathon, the event offers two alternative participation formats: The Quiz (consisting of two full laps at Bluff Creek Ranch without TMBRA points) and The Cheat Sheet (a three-rider team relay). Specific distances, start times, and entry fees for these two additional options were not provided in the supplied event details.
Wine is featured as the traditional prize for the full marathon categories. During registration, participants can also purchase official event merchandise, including the 2027 event T-shirt, and add the FuelBox by CrankBox to their entry.
Race Options & Divisions
The Full Excruciation Exam
The flagship 71-mile endurance marathon awarding TMBRA series points and wine prizes across Men’s, Women’s, and Single Speed divisions:
The Quiz & The Cheat Sheet
Looking for a shorter solo challenge or a team experience? Choose from two additional ride formats (specific distances, start times, and fees not specified in supplied details):
Event Highlights & Perks
Signature Wine Prizes
Wine is awarded as the prize for the 71-mile full marathon categories across Pro, Age Group, and Single Speed divisions.
2027 Merch & FuelBox Add-On
Order the official 2027 event T-shirt and add the FuelBox by CrankBox directly to your registration on BikeReg.
Official TMBRA Marathon Event
Presented by the Texas Mountain Bike Racing Association on the iconic trails of Bluff Creek Ranch in Giddings, TX.

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