The Rock Cobbler
📍 California, United States
gravel
Date
February 2027 (TBA)
Distance
40-50 miles · 70-85 miles · 115 miles
Elevation
3,658 m
Difficulty
gravel
True Grit Gravel
Utah, United States · March 2027 (TBA)
Difficulty: 5/5 — Brutal
A demanding 84-mile gravel challenge through the remote, rugged backcountry of the Utah desert, packing 9,000 feet of climbing. This course features technical descents and punishing climbs with gradients reaching up to 18%.
Visit official site →- Distances
- 64 miles · 84 miles
- Elevation
- 2,743 m
- Surface
- gravel, dirt, tarmac
- Typical W/kg
- 3–4.5
Rider fit
Who it's for
Hardy endurance cyclists and mountain bikers who thrive on technical off-road terrain and steep, uncompromising climbs.
Who will struggle
Underprepared riders, beginners, and those who struggle with loose desert terrain or extreme, sustained climbing gradients will find this event exceptionally difficult.
Training focus
Prioritize high-torque climbing power for steep pitches, technical off-road bike handling, and heat tolerance for exposed desert conditions.
Are you ready for this race?
Compare your W/kg to see how you stack up against this race's typical level — and which races fit you best right now.
FAQs
What route options are available?+
Riders can choose between two main distances: the 84-mile 'Tough Stuff' and the 64-mile 'Sweet Stuff'.
Are there cut-off times I need to be aware of?+
Yes, there are three strict cut-off times: Feed Zone 1 at 11:15 AM, Feed Zone 2 at 1:15 PM, and a final finish-line cut-off at 5:00 PM.
Where are support crews allowed to meet riders?+
Spectator and support crew access is strictly limited to Feed Zone 2 (Joshua Tree Forest) and Feed Zone 5 (Santa Clara River) to ensure safety on the open roads.
How does the drop bag system work?+
Drop bags are transported exclusively to Feed Zone 2. They must be retrieved from the main venue on race afternoon, where they are returned around 4:00 PM.
What is the age limit for the gravel race?+
Participants must be at least 16 years old. Anyone under 18 must submit a junior application, demonstrate proof of endurance, and have a guardian present on-site.