VERDICT The gravel scene's greatest shitshow — equal parts bike race, agricultural obstacle course, and fever dream cooked up by someone who thinks cyclocross isn't weird enough.
A training plan for Rock Cobbler—shaped to your fitness and the hours you have.
California's early season classic—the Cobbler course runs 75-90 miles of Central Valley rocks, dirt, and February weather roulette.
Rock Cobbler founded 2012 by Stephen Fry. California early season gravel classic. 600+ riders. Bakersfield Central Valley. Founded in 2012. By Stephen Fry.
Reputation: California early season classic. Great value. February weather roulette.
Photo: YouTube / Gravel Bike California
Photo: YouTube / Gravel Bike CaliforniaThe main Cobbler course runs 75-90 miles of Central Valley gravel and dirt with roughly 8,700 ft of gain (routes and gain vary year to year; final course isn't announced until race week). 60% gravel, 30% dirt, 10% pavement. Chunky rocky sections. Technical rating: 3/5.
Signature challenge: February weather roulette. Chunky rocks. Early season fitness test. Routes and distances change every year — the surprise is part of the event.
We started with a really fast part with everyone trying to separate themselves, that moved into the mud Canyon which was totally crazy and caused a lot of issues for a lot of people, then there was the cow path of death probably the most spectacular spot of the course, then we had an insane 45 percent grade hike a bike section.
VC Adventures · 2.3M views
There was only 50 spots available for this bigger Boulder distance because the promoter was a little bit afraid that people weren't going to be able to finish in time, it was going to get dark and you're on private property a lot of the time.
VC Adventures · 221.7K views
Rock cobblers are always hard but the ranchlands was the toughest region of the day not just for the main climbs but the pitches in between, and Hart Park was most memorable thanks to the refrigerator and the annual hike a bike.
Gravel Bike California · 8.1K views
There was four waves 250 in each wave, 1000 people total that's insane.
VC Adventures · 2.3M views
12-week training timeline, race-day checklists, packing list, and personalized fueling calculator — unlocked instantly.
No spam. Unsubscribe anytime.
Historical weather data shows average highs of 67°F and lows of 43°F, with a 23% chance of rain on any given day, and gusts reaching 26 mph. February delivers optimal early-season conditions in Bakersfield's hills, with webdev511 considering tire width based on rain chances: "Might be tempted to go wider if it doesn't rain. Bakersfield can be pretty sandy, but it's not Fort Ord sandy." The race timing captures California's winter sweet spot before heat becomes a factor, though equipment choices still depend on precipitation. Milder conditions than Crusher in the Tushar.[7]
Everything happens at Pyles Boys Camp with Friday packet pickup 2-8pm including pasta dinner, bicycle barrel racing, and BMC-hosted shake-out ride. Action Sports provides bike support until 6:30pm Friday, Covenant Coffee serves breakfast burritos Saturday morning. Sam Ames keeps operational details dialed after 15 years, though webdev511's "One crash at mile 20, and a porta potty stop at mile 31" suggests aid station spacing works for necessary stops.[4]
"unclassifiable" with "WhiteClaw hand ups, ball pits" and cattle dodging, while past years included "beachballs thrown down a hill at riders" and riding through Sam's actual house. The 2026 course replaces the house with "a ride-through bar," maintaining Sam Ames' annual tradition of curated absurdity.[3]
Pete Stetina calling it "the kookiest bike race I've ever done" represents pro endorsement for adventure over traditional racing prestige. Grew from 50 riders to 761 participants in 2025 with global reach, but Sam Ames explicitly states "We never wanted to deal with podiums, prize money" - the community values stories over status.[7]
If you need your races predictable and your routes announced more than a week out, keep scrolling. This is for riders who want their fitness tested by 30% run-ups, cattle dodging, and whatever Sam Ames dreamed up the night before. Your FTP matters less than your ability to laugh while hike-a-biking through a ball pit. Show up undertrained and the scree fields will humble you in ways Strava can't measure.
Research sources used to build this race profile. Always verify details with official race sources before making travel or registration decisions.