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
Join Mammoth TUFF and CTS for an official pre-race shakeout ride on Friday!
CTS Coaches will lead a relaxed, no-drop ride on Friday, giving you an opportunity to get your legs moving, check your bike and gear, and ride with fellow Mammoth TUFF participants before race day.
Ride Time: Friday at 2:00 PM
Start/Finish: Footloose Sports
Pace: Social, no-drop
GET THE ROUTE
Come meet the CTS coaching team, spin the legs, and get ready for Mammoth TUFF!
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