Outer Richmond
Trail Running Calendar near Outer Richmond 2026-2027
Explore the top trail runs near Outer Richmond for 2026-2027! We've gathered 48 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
February 2027
March 2027
Trail event at China Camp State Park offering live and virtual 5K, 10K and half marathon courses with technical terrain and significant elevation gain.
A trail running fundraiser on March 14, 2027 at Lake Lagunitas featuring a 10K on trails around the lakes with proceeds supporting Evidence Action's Safe Water Now program.
Three-day trail running event in Marin County on March 19, 20 and 21, 2027 offering 28K, 50K and a point to point 100K with ridge summits and on-course support.
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.
April 2027
Trail races in Walnut Creek on April 3, 2027 with 50K, half marathon, 10K and 5K options, with part of entry fees supporting Save Mount Diablo.
Trail races in the Marin Headlands featuring marathon, half marathon and 10K courses with coastal and bay views and a 400 runner limit.
A hilly loop race around Angel Island offering a 10K single loop and a Half Marathon that repeats the loop, limited to 400 participants with athlete ferry included.
Trail races at Lake Chabot Regional Park around the reservoir, with distances from a 50-yard kids dash up to a 50K measured for accuracy.
Trail races on April 17, 2027 through Huddart Park and Purisima Creek Redwoods with 10K, half, 35K, and 50K options, cupless and chip-timed.
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.
Scenic coastal ridge trail race on Mt Tamalpais offering Half Marathon and 10K courses with limited 300 entries and a three hour course cutoff.
May 2027
A 62 miles trail ultramarathon in Stinson Beach, CA across redwoods, ridgelines and coastal cliffs, with relay teams, sustainability practices and qualifying status.
Trail races from Stinson Beach into Muir Woods on May 8, 2027, with marathon, half marathon and 7 mile options and a 300 runner limit.
A race day in El Sobrante with a half marathon, 10K, 5K and a hiker division through the hills of Wilcat Canyon; registration windows and fees vary by distance.
Trail races at China Camp State Park on May 29, 2027 offering 5K, 10K and half marathon courses with chip timing, marked single track, and cupless aid stations.
Trail races in Joaquin Miller and Redwood parks with multiple measured distances, technical single-track sections, and fully stocked aid stations every 3–6 miles.
June 2027
Lake Chabot Trail Challenge on June 6, 2027 in Castro Valley features a chip timed half marathon and a 5K on scenic trails and roads.