Sonoma
Trail Running Calendar near Sonoma 2026-2027
Explore the top trail runs near Sonoma for 2026-2027! We've gathered 30 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
Time based trail running at Skyline Wilderness Park in Napa where participants run as far as they can in 3 hour, 6 hour, or 12 hour formats on a 4.16 mile loop.
A 50K trail ultramarathon near San Francisco with about 6,600 feet of climbing across Coastal, Miwok, Matt Davis and Dipsea trails and a $10,000 prize purse.
A 13.7 mile out and back on the Dipsea Trail from Stinson Beach to Mill Valley and back run with a handicapped start and annually adjusted waves.
Limited field trail races on Angel Island with a 10K single loop and a half marathon that completes two loops, with ferry included in registration.
The 33rd annual Phil Widener Empire Open is a 3.4 miles PA/USATF cross country race at Spring Lake Regional Park featuring rugged trails and a $1500 prize purse.
September 2026
Monthly community hike with an optional trail run in Richmond, organized by FIERCE Advocates and local partners on first Saturdays in 2026.
Experience the trails of China Camp State Park with a selection of distances including a 5K 10K and Half Marathon. Participants enjoy a post race festival with beer steins custom medals and local snacks.
A community ultramarathon and hike at Skyline Wilderness Park in Napa, CA, featuring a 3.3-mile loop repeated up to ten times in an hourly format to raise funds for the Pheo Para Alliance.
October 2026
Multi-day event at McNear’s Beach Park in San Rafael featuring an Olympic triathlon, relay, a kids triathlon, a trail half marathon, and a combined challenge.
A 6.45 mile trail race in Annadel State Park organized by the Empire Runners Club, limited to 100 runners with staggered starts and awards for the top 13 finishers.
Trail cross-country races at China Camp State Park over an approximately 4.25 mile course, part of the PA-USATF series with limited on-site parking.
Trail races at Bothe Napa Valley State Park offering marathon, half marathon, 10K and 5K on single track with streams and hills, limited to 300 participants.
13.6 miles in the Marin Headlands on October 24, 2026 with 2,156 ft of climbing, coaching support, childcare grants, and a $25,000 prize purse.
A cross-country meet at Radke Martinez Regional Shoreline on October 24, 2026 with three 4.1 mi races over grass, dirt, and path terrain.
November 2026
Trail races from 10K to 50K around Mt Tamalpais, held at Stinson Beach with technical trails, significant climb, cupless aid stations, and chip timing.
A 28.4 mile Mill Valley trail race with about 9,000 feet of climbing, steep stairs and named trail sections on the Dipsea Trail, out and back then repeated to complete the distance.
December 2026
Trail races of 30K, half marathon and 10K at China Camp State Park near San Rafael, with chip timing, cupless aid stations, and bay and Mt. Tam views.
A scenic half marathon and 10K circumnavigating Angel Island, with mandatory ferry access, a 400 participant limit, and panoramic views of San Francisco.