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.
11th Annual Nomadic 5K Trail Run at Arbolado Park in Walnut Creek on November 21, 2026, a community 5K with a walk option, Mongolian food and kids activities.
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 near Mount Diablo on April 3, 2027 with multiple distances and a portion of entry fees supporting Save Mount Diablo.
Trail races at Jack London State Historic Park featuring a half marathon, 5.5 mile and 5K through vineyards 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 point-to-point 100 mile ultramarathon in the East Bay with about 18,000 ft of gain, a 33 hour cutoff, scheduled for June 12, 2027.