Lake Sonoma
Trail Running Calendar near Lake Sonoma 2026-2027
Explore the top trail runs near Lake Sonoma for 2026-2027! We've gathered 4 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
Trail races at Brassfield Estate Winery with 5K, 10K and 10 mile options through vineyards and post-race wine, food and live music.
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.
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.