Geyserville
Trail Running Calendar near Geyserville 2026-2027
Explore the top trail runs near Geyserville for 2026-2027! We've gathered 9 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.
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.
Trail races at Brassfield Estate Winery in High Valley featuring 5K, 10K and 10 mile routes through vineyards with wine and a custom race hat for 21 plus entrants.
An uphill 3.1 mile trail race in Kelseyville on November 14, 2026, running from the base of Mt. Konocti to Wright Peak with summit awards and post-race lunch.
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.
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.
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.