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.
October 2026
Trail races at Lake Sonoma on October 17–18 2026 offering 100, 50, marathon, half and relay options with significant elevation and staffed aid stations.
November 2026
The 40th annual Annadel Loop is a 6.45 mile trail race in Annadel State Park with staggered starts, awards for the top 13, a limited field, and published member and non member fees.
March 2027
A chip-timed 5K at Artesa Vineyards & Winery in Napa on March 7, 2027 that pairs a run or walk with wine tasting and Spanish-inspired architecture. Registration opens May 18, 2026 and packages include a shirt, collapsible wine glass, medal that serve..
Trail event in Middletown CA on March 7 2027 offering Half Marathon, 10K and 5K with camping, awards, and proceeds benefiting trail development and charity.
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 on the single track at Bothe Napa Valley State Park on March 20, 2027 with a 300 runner limit.
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.
Trail running event on April 17, 2027 with a hilly half marathon, 10K and 5K, over 1500 ft of ascent and a cup-free policy.
Trail runs at Jack London State Historic Park offering Half Marathon, 5.5 Mile and 5K on marked courses with aid stations, limited parking, and a no headphones policy.
May 2027
Scenic timed half marathon through Napa vineyards from Quintessa Winery to Yountville, featuring winery aid stations, a Finish Line Wine Village with tastings, shuttle service and a finisher medal.
Trail runs at Skyline Wilderness Park in Napa on May 15, 2027 with 10K, 21K, 30K, and 50K courses, aid stations, and a strict cupless policy.