Mammoth Tuff Partnership
Your Next Gravel Adventure Awaits.
We're excited to announce a new partnership between CTS and Mammoth TUFF, one of the most unique gravel events in North America.
Ride through California's Eastern Sierra on volcanic terrain, high-altitude gravel roads, and breathtaking mountain landscapes unlike anywhere else in the sport. Whether you're chasing a podium, qualifying for Worlds, or simply looking for your next big challenge, Mammoth TUFF delivers an unforgettable race experience. Learn more about the event.
September 18–20, 2026
Mammoth Lakes, California
TRAININGPEAKS VIRTUAL RIDE:
Ride the Mammoth TUFF Course Before Race Day
Join us for a virtual preview of the Mammoth TUFF course. Powered by TrainingPeaks Virtual, this guided ride lets you experience the route before race day, understand the course profile, and identify key sections for pacing, fueling, and technical riding. Show up with a plan and greater confidence on the start line.
JOIN THE RIDE!
Train for Mammoth TUFF with CTS
Whether you're tackling the 40, 70, or 90-mile course, CTS and Mammoth TUFF have partnered to provide event-specific training plans designed by professional CTS coaches.
Mammoth TUFF Training Plan
This 12-week plan gets you ready for 40 miles of rugged terrain without overwhelming your schedule, so you toe the line feeling strong and confident.
- 9 hrs/week
- 12 weeks
- 3-5 workouts/week
Mammoth TUFFER Training Plan
This 12-week plan builds the endurance and mental grit needed for 67+ miles and 3,500 feet of climbing across mixed gravel terrain.
- 10.3 hrs/week
- 12 weeks
- 3-5 workouts/week
Mammoth TUFFEST Training Plan
This 12-week plan builds the endurance, climbing legs, and race-day execution needed to conquer 89 miles and 7,500 feet of gain.
- 13.7 hrs/week
- 12 weeks
- 3-7 workouts/week