Walnut Creek
Trail Running Calendar near Walnut Creek 2026-2027
Explore the top trail runs near Walnut Creek for 2026-2027! We've gathered 51 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
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.
Thanksgiving fundraiser at San Leandro Marina with 5K, canicross, 1-mile and kids races supporting the Milo Foundation.
A 28 mile trail race of two out and back trips on the Dipsea Trail, starting and finishing at Old Mill Park with 9,200 feet of climbing and multiple aid stations.
December 2026
Trail race at China Camp State Park offering 30K, Half Marathon and 10K loop courses with technical dirt trails, marked routes, aid stations and a cupless policy.
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.
A 5K at Baker Beach on mixed surfaces with a wooden bridge section, beginning and ending at the lower Baker Beach parking lot.
A community fundraiser at Joaquin Miller Park featuring a 5K trail run and a 1 mile kids fun run on 12/06/2026.
Trail races at Lake Chabot in Castro Valley on December 31, 2026 offering half marathon, 13K, 10K and 5K with hikers and walkers welcome.
January 2027
Trail focused 5K, 10K, half marathon and virtual option at Lake Chabot on January 1, 2027 with varied surfaces and rolling hills.
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.
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
Trail races from 5K to 50K through eucalyptus forests and lakeside trails at Lake Chabot Regional Park near Castro Valley, CA.