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Trail Running Calendar near San Ramon 2026-2027

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Explore the top trail runs near San Ramon for 2026-2027! We've gathered 53 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

November 2026
Nov
14
Sa

ZombieRunner Quarry Lakes

Trail Run 2 mi 5 km 10 km 13 mi
Experience a flat and fast trail race through the scenic Quarry Lakes Regional Recreation Area in Fremont. Choose from a USATF certified half marathon, 10K, or 5K while enjoying views along the Alameda Creek Trail.
Nov
21
Sa

Nomadic 5k

Trail Run 5 km
11th Annual Nomadic 5K Trail Run at Arbolado Park in Walnut Creek on November 21, 2026, a community 5K with a walk option, Mongolian food and kids activities.
Nov
26
Th

Nitro Turkey

Trail Run 5 km 10 km
A Thanksgiving morning turkey trot at Point Pinole with 5K, 10K and a short kids sprint, plus a food drive supporting the Food Bank of Contra Costa & Solano.
Nov
26
Th

The Animal Run Tofurkey Trot

Trail Run 5 km
A Thanksgiving Day vegan fundraiser at San Leandro Marina featuring a flat 5K, canicross with dogs, a 1 mile walk, and kids races supporting the Milo Foundation.
Nov
26
Th

Benicia Hand Up Turkey Trot

Road Race Trail Run 2 mi
A community untimed run and walk at Benicia Community Park on Thanksgiving supporting the Tim and Jeannie Hamann Foundation and local cancer patients.
Nov
26
Th

XC Turkey Trot 2.2 Mile

Race Roster Trail Run 2 mi
A community cross country fun run on the Gunn 2.2 mile course in Palo Alto with race morning registration and youth half lapper races.
Nov
28
Sa

Quarry Turkey

Trail Run 5 km 10 km 13 mi
Quarry Turkey in Fremont offers a half marathon, 10K, 5K and a virtual race over Thanksgiving weekend, plus a Little Turkeys kids race and a food drive.
December 2026
Dec
5
Sa

Calero Trail Run - Winter

Trail Run 5 km 10 km ... Marathon 50 km
Trail races from a kids run to a 50K at Calero County Park in San Jose with varied single track, multiple aid stations, free parking, and drop bag support for the 50K.
Dec
6
Su

The Krampus Cross Country

Trail Run 5 km 10 km 9 mi
A San Francisco cross country event on Sunday, December 6, 2026 offering 5K, 10K and a Naughty Nine Miler with live and virtual options and race swag for all.
Dec
6
Su

Oakland Cubs Cozy Cub 5K

Trail Run 5 km
A community fundraiser at Joaquin Miller Park featuring a 5K trail run and a 1 mile kids fun run on 12/06/2026.
Dec
12
Sa

Hark the Herald Half Marathon

Trail Run 10 km 13 mi
Scenic island race at Angel Island with a half marathon and a 10K, limited field, ferry access required, and medals for all half finishers.
Dec
19
Sa

Woodside Ramble

Trail Run 6 mi 13 mi 23 mi 31 mi
Trail races in Woodside, CA on December 19, 2026 offering 10K, Half, 35K and 50K on redwood single-track with aid stations and chip timing.
Dec
31
Th

Brazen New Year's Eve

Trail Run 5 km 13 km Half Marathon
Trail races at Lake Chabot in Castro Valley on New Year's Eve and New Year's Day with 5K, 13K, half marathon, 10K and a remote option.
January 2027
Jan
1
Fr

Brazen New Year's Day

Trail Run 5 km 10 km 13 mi
Trail focused 5K, 10K, half marathon and virtual option at Lake Chabot on January 1, 2027 with varied surfaces and rolling hills.
Jan
17
Su

Crystal Springs (Winter) Trail Run

Trail Run 5 mi 13 mi ... 26 mi 50 km
Multiple trail races on 01/17/2027 at Huddart Park, from a 50 yard kids dash to 50K, set among redwoods, ferns and trails at King's Mountain and Bear Gulch.
Jan
23-24
Sa - Su

Golden Gate Trail Classic

Trail Run 15 km 25 km 50 km 50 mi
Two-day trail event in San Francisco on January 23-24, 2027 offering 15K, 25K, 50K and 50 mile courses through the Marin Headlands and over the Golden Gate Bridge.
Jan
30
Sa

Coyote Hills Run

Trail Run 5 km 10 km Half Marathon
Mixed-surface runs at Coyote Hills Regional Park with 5K, 10K and half marathon options, stocked aid stations and GPX course files available.
February 2027
Feb
6
Sa

Golden Gate Trail Run

Trail Run 2 mi 8 km ... 26 mi 50 km
Experience the coastal beauty of the Marin Headlands at the Golden Gate Trail Run. Choose from distances ranging from a 50K trail race to a fun kids dash with views of the Golden Gate Bridge and San Francisco.
Feb
6
Sa

Mt. Umunhum Trail Conquest - Winter

Trail Run 5 km 7 mi ... 26 mi 50 km
Trail race at Almaden Quicksilver Park offering distances from a kids run to 50K, out-and-back courses with marked trails, aid stations, and summit routes to Mt Umunhum.
Feb
20
Sa

Redtail Ridge

Trail Run 5 km 10 km ... 35 km 50 km
Trail races from 5K to 50K through eucalyptus forests and lakeside trails at Lake Chabot Regional Park near Castro Valley, CA.
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