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.
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 hikes in Richmond with an optional trail run, organized by FIERCE Advocates, Moving Forward, and Richmond Run Club.
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 run and walk at Artesa Vineyards and Winery on March 7, 2027, featuring two laps through the vineyard, event swag, a wine pour, and age group awards.
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.
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.