Lake Sonoma 100 Miler

Geyserville, United States • 1 Feb 2025

The Lake Sonoma 100 Miler is a unique and exciting ultra-running event held in Geyserville, California. This challenging race features approximately 27,000 feet of elevation gain over 100 miles of predominantly singletrack trails, making it suitable for seasoned trail runners. The event fosters a festival-like atmosphere with live music, food trucks, and wine tasting at the start/finish area.

Participants can enjoy generous cutoff times, well-stocked aid stations, and a focus on runner experience. Additionally, the race supports the Children of Vineyard Workers Scholarship Fund, enhancing its community impact. Pre- and post-race activities further enrich the experience for all involved. Visit the organization's website for the most recent information.

Race information

100 mi
100 Miler
100M 4 Person Relay
Baby Backyard
Visit the organization's website for the most recent information.
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