California
California Trail Running Calendar 2026-2027
Explore the best trail runs in California for 2026-2027! Our updated list features 363 exciting trail runs across the region. Find your next trail run in California below and join the trail community at these great events!
November 2026
A fundraiser in Joaquin Miller Park featuring a 5 km trail race and a 1 mile fun run to support Oakland Tech PTSA and student programs.
Trail marathon in Mount Laguna on November 1, 2026, held on Kumeyaay Lands within Cleveland National Forest; registration opens August 8, 2026 on UltraSignup.
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.
Three days of orienteering in Fresno with three new maps, best two of three races score, regional club scoring options, camping and variable registration pricing.
Two mornings at Runyon Canyon Park with free registration and 5K and 10K route options on November 6 and 7, 2026.
Trail running event in Silverado, CA with marathon, 25k, half and 10K courses routed through Black Star Canyon and the Mariposa Reserve.
A 13.1 mile night race through Mojave Desert terrain near Joshua Tree with sandy trails, required headlamp, a 4 hour cutoff, and start and finish at RESET Hotel.
A trail event near Folsom Lake offering 100 miles and 50K routes with varied terrain, staffed aid stations, cupless policy, and pacer restrictions.
A community 5K Run/Walk in Tulare on November 7, 2026, supporting the Tulare Sunrise Rotary scholarship program with finisher medals and age-group awards.
Trail races at Huddart Park with multiple distances, cupless aid stations, chip timing, post-race pancake breakfast, and awards for female finishers.
Trail and running events around Lake Chabot reservoir in Castro Valley, with distances from a 50 yard kids dash up to a 50K.
Trail races from 10K to 50K around Mt Tamalpais, held at Stinson Beach with technical trails, significant climb, cupless aid stations, and chip timing.
Spartan obstacle races at Santa Margarita Ranch on Nov 7 and Nov 8 2026, with events from a kids 1 to 3 km race up to a 50 km Ultra and multiple adult distances.
Two days of obstacle course races at Santa Margarita Ranch, California with Sprint, Super, Beast, Ultra and kids races across vineyard and forest terrain.
Off‑road trail run at Rio Bravo Ranch on Nov 7, 2026 with three routes, aid stations, food, camping, and mandatory trail gear.
Trail races on November 7, 2026 in Chino Hills State Park offering 30K and 50K courses through chaparral and oak woodlands.
Trail races at Brassfield Estate Winery in High Valley AVA offering 5K, 10K and 10 mile courses with vineyard views, a finish line celebration, and wine for 21 and over.
A trail running festival in Moorpark, CA on 11/07/2026 with 10K, 5K and a 1K kids race, plus t-shirts, medals, music, vendors and food.
A community 5k walk and run in Rancho Cordova combining a memorial walk with overdose prevention education and naloxone distribution.
Monthly community hikes in Richmond with an optional trail run, organized by FIERCE Advocates, Moving Forward, and Richmond Run Club.