Sunset & Cider Trail Races
Oct 10Auburn, CA50K, 13 mi +1
Also a half marathon, 92 mi from Reservoir Dogs, registration open
Aid stations, cutoffs and pacing in one plan, with the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planThe Reservoir Dogs Trail Race is the first trail-running event allowed to completely circumnavigate the Briones Reservoir on the serene–and usually “permit-only”–East Bay Municipal Utility District (EBMUD) trails.Most trail runs are inherently beautiful, but this course offers more rolling open fire roads and boasts a nice progression of quintessentially East Bay environments, along with tree covered single-track and sweeping views of the watershed lands. Briones Reservoir is also one of the few EBMUD properties that has a substantial length of single-track trail. The 10K, Half Marathon and 35K courses are faster than other Inside Trail races because they have less elevation but they are consistent in a design intended to push each runner.
The Start and Finish for all races will be in the San Pablo Reservoir Visitor Center, which has a plethora of outdoor activities for all ages, including: hiking, fishing, kayaking/canoeing and picnicking.
Race day
Oct 10, 2026
Registration openings and major changes, like a new date or a cancellation.
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Oct 10Auburn, CA50K, 13 mi +1
Also a half marathon, 92 mi from Reservoir Dogs, registration open
Oct 24Pilot Hill, CAHalf Marathon, 10K
Also a half marathon, 89 mi from Reservoir Dogs, registration open
Oct 10San Mateo, CAHalf Marathon, 10K +2
Also a half marathon, 14 mi from Reservoir Dogs, registration open
Oct 24Oakland, CA35K, Half Marathon +1
Also a half marathon, 15 mi from Reservoir Dogs, registration open
Straight-line distance
Oct 10Los Angeles, CAHalf Marathon, 10K +2
Oct 10Sacramento, CAHalf Marathon, 10K +2
Oct 10San Diego, CAHalf Marathon, 10K +2
Oct 10San Mateo, CAHalf Marathon, 10K +2
Oct 10Los Angeles, CAHalf Marathon, 10K +2
Oct 10Sacramento, CAHalf Marathon, 10K +2
Oct 10San Diego, CAHalf Marathon, 10K +2
Oct 10San Mateo, CAHalf Marathon, 10K +2
Oct 10Lafayette, CA10K, 5K +2
Oct 10Riverbank, CA10K, 5K +1
Oct 10Brea, CA10K, 5K
Oct 10Exeter, CA10K, 2 mi
Jun 12, 2027Berkeley, CA100 mi
Dec 5San Rafael, CA30K, Half Marathon +1
Oct 9Tiburon, CA1 mi
Nov 1Oakland, CA5K, 1 mi
Oct 24Pleasant Hill, CA10K, 5K
Mar 13, 2027Sausalito, CA50 mi, 50K
Mar 19, 2027Marinwood, CA50K
Oct 24San Francisco, CA5K, 2 mi
Nov 28Mill Valley, CA28.4 mi
Oct 10Concord, CA
Oct 10Foresthill, CA50 mi, 25 mi
Oct 10Granite Bay, CA11.45 mi, 6.6 mi
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
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Claim this race to manage registration, volunteers, and race day.