Select Distance
Marathon Race
November 7, 2026 @ 08:00
Start Time
08:00
Profile
hilly
Elevation
+4501 / -0 ft
+1372m / -0m
Net: +4501 ft
Surface
trail
About this Race
The Boulder is the longest route of the Rock Cobbler RUN, a 'stupidly hard' off-road trail run at Rio Bravo Ranch near Bakersfield — sibling to the OG Rock Cobbler gravel ride. Roughly 26 mi/41.8K with ~4,500 ft of climbing over 2 laps. Fully off-road, cupless, with a First Responder Challenge and a legendary post-run spread (tri-tip, frites, 805 beer).
Notable Facts
- Held at Rio Bravo Ranch, Bakersfield
- Boulder route: ~26 mi (41.8K) with ~4,500 ft of climbing, 2 laps
- Cupless, fully off-road; trail shoes and gaiters required
- First Responder Challenge; Friday-night 805 Beer Mile
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