Santa Rosa
Trail Running Calendar near Santa Rosa 2026-2027
Explore the top trail runs near Santa Rosa for 2026-2027! We've gathered 14 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
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
A multi distance trail event at Lake Sonoma on October 17-18, 2026 featuring 100 mile, 50 mile, marathon and four person relays with aid stations and free camping.
Trail race at Bothe-Napa Valley State Park on October 24, 2026 offering marathon, half marathon, 10K, 5K and virtual options with a 300-runner field limit.
November 2026
40th annual 6.45-mile trail race in Annadel State Park on November 1, 2026, with staggered head starts, awards for the top 13, and limited registration.
March 2027
A multi-distance trail and road event in Middletown, CA on March 7, 2027, featuring a steep observatory climb, on-course aid, camping, and charity support.
Three day trail race in Marin County offering 28K, 50K and a point to point 100K with marked courses, aid stations, shuttle service and extensive race support.
Trail marathon, half marathon, 10K and 5K through Bothe Napa Valley State Park on single track with streams and hills, field limited to 300 participants.
April 2027
A spring Lake Sonoma trail weekend featuring a Western States qualifying 100K, a 50K with a bridge crossing, and a women only Trail Sisters half marathon.
Annadel trail event on April 17, 2027 featuring a half marathon, 10K and 5K with over 1,500 feet of elevation gain and a cup free policy.
Trail races at Jack London State Historic Park on April 17, 2027, offering a half marathon, 5.5 mile and 5K across vineyard views and Sonoma Mountain slopes.
May 2027
Timed half marathon through Napa vineyards from Quintessa Winery to Yountville with winery aid stations, a Finish Line Wine Village, shuttle service, and a finisher medal.