Fairfield
Trail Running Calendar near Fairfield 2026-2027
Explore the top trail runs near Fairfield for 2026-2027! We've gathered 16 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
A cross country meet at Radke Martinez Regional Shoreline on October 24, 2026, featuring three races of about 4.1 miles over grass, dirt, and path surfaces.
November 2026
A 6.45 mile trail race in Annadel State Park held as the 40th annual event with staggered starts, awards for the top 13, and limited registration to 100 runners.
Monthly community hike with an optional trail run in Richmond, CA, organized by FIERCE Advocates with Moving Forward and Richmond Run Club on first Saturdays in 2026.
Nomadic Adventure Club's 11th annual 5K trail run at Arbolado Park in Walnut Creek with family activities and Mongolian food after the event.
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..
April 2027
Trail races from 5K to 50K near Mount Diablo on April 3, 2027, with a portion of entry fees supporting Save Mount Diablo.
Trail races at Jack London State Historic Park on April 17, 2027 offering Half Marathon, 5.5 mile and 5K courses through vineyard views and Sonoma Mountain hills.
May 2027
A timed half marathon on May 8, 2027, from Quintessa Winery to Yountville with exclusive vineyard access, festive aid stations, and a finish-line Wine Village.
Trail runs at Skyline Wilderness Park offering 50K, 30K, 21K and 10K courses with substantial elevation, aid stations, camping options, and a cupless race policy.
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.
June 2027
A 100 mile point to point ultramarathon through the East Bay starting at California Memorial Stadium, featuring 18,000 feet of climbing and a 33 hour finish limit.