San Leandro
Trail Running Calendar near San Leandro 2026-2027
Explore the top trail runs near San Leandro for 2026-2027! We've gathered 70 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
January 2027
A trail running event in San Francisco on January 23-24, 2027, offering 15K, 25K, 50K and 50 mile options on soft, hilly trails. The course travels through the Marin Headlands and crosses the Golden Gate Bridge with coastal views.
Scenic races at Coyote Hills Regional Park offering half marathon, 10K and 5K on varied surfaces with rolling bay views and stocked aid stations.
February 2027
Trail races from 5K to 50K through eucalyptus forests and lakeside trails at Lake Chabot Regional Park near Castro Valley, CA.
March 2027
Multiple trail distances run through Redwood Regional Park on March 20, 2027 at Chabot Space & Science Center. Routes use East Ridge, West Ridge, Stream and Bridle trails and distances were measured with a Rolatape surveyor's wheel.
A trail and road running event at Quarry Lakes Regional Recreation Area offering Half Marathon, 10K, 5K and a remote runner option on March 27, 2027.
April 2027
Trail running event in Walnut Creek on April 3, 2027 offering 50K, Half Marathon, 10K and 5K with a portion of entry fees benefiting Save Mount Diablo.
Trail marathon, half marathon and 10K in the Marin Headlands featuring ridge and coastal views of the Golden Gate Bridge and Pacific Ocean; field limited to 400 participants.
A hilly loop race around Angel Island offering a Half Marathon and 10K, limited to 400 participants with ferry access from Tiburon and a 3.5 hour course cutoff.
Badger Cove is a running event in Livermore, CA on April 17, 2027 offering a half marathon, 10K, 5K and a hiker division. Registration opens January 1 and closes February 2 with fees varying by event.
A trail event at Lake Chabot Regional Park offering distances from a 50‑yard kids dash to a 50K ultramarathon. The looped course circles the Lake Chabot reservoir and surrounding hills with measured distances.
No Foolin' Foot Race in San Carlos on April 24, 2027 offers 15K, 10K, 5K and a 1K kids trail course across Big Canyon, Eaton and Pulgas Ridge, with proceeds supporting local open space trail maintenance.
Trail races at Mt Tamalpais State Park on April 24, 2027 offering Half Marathon and 10K courses on coastal ridge single-track with ocean and lagoon views.
May 2027
A 62-mile trail ultramarathon in the Marin Headlands with over 11,000 feet of climb, staffed aid stations, sustainability practices, and a 400-runner field limit.