Geyserville
Trail Running Calendar near Geyserville 2026-2027
Explore the top trail runs near Geyserville for 2026-2027! We've gathered 8 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
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 marathon, half marathon, 10K and 5K through Bothe Napa Valley State Park with orange ribbon markings and a 300 participant limit.
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
Trail races in Middletown CA on March 7 2027 with half marathon, 10K and 5K plus camping, awards and proceeds to The Totally RAD Foundation.
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.
Nonprofit running event at Spring Lake Regional Park on April 17, 2027 offering a half marathon, 10K and 5K with low-waste aid stations and park donations.