Fairfax
Trail Running Calendar near Fairfax 2026-2027
Explore the top trail runs near Fairfax 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.
December 2026
Youth focused event in Oakland with a 1 mile kids fun run and a 5K trail run at Joaquin Miller Park, with limited parking and packet pickup before the race.
Looped trail races on Angel Island with panoramic Bay views; includes a half marathon (two loops) and a 10K, ferries required and the field is limited to 400.
January 2027
Trail running weekend in San Francisco that crosses the Golden Gate Bridge and runs through the Marin Headlands, with multiple race distances and spectator access.
February 2027
March 2027
A chip-timed 5K at Artesa Vineyards & Winery in Napa on March 7, 2027 that pairs a run or walk with wine tasting and Spanish-inspired architecture. Registration opens May 18, 2026 and packages include a shirt, collapsible wine glass, medal that serve..
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 running event near Mount Diablo on April 3, 2027 offering 50K, half marathon, 10K, 5K and remote options while supporting Save Mount Diablo.
Trail race in the Marin Headlands offering Marathon, Half Marathon and 10K with views of the Golden Gate Bridge and Pacific coastline.
A scenic loop race around Angel Island offering a 10K single loop and a half marathon of two loops with island ferry access and a 400-runner limit.
Trail runs at Jack London State Historic Park offering Half Marathon, 5.5 Mile and 5K on marked courses with aid stations, limited parking, and a no headphones policy.
Trail event at Mt Tamalpais State Park offering a Half Marathon and 10K on coastal ridge single track with ocean and lagoon views.
May 2027
A 62 mile trail ultramarathon in Stinson Beach with over 11,000 feet of gain, relay options, sustainability practices, and a 400 runner field limit.
Trail races from Stinson Beach into Muir Woods offering marathon, half marathon and 7 mile courses with technical trails, aid stations and a 300 runner limit.