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Lake Sonoma 100 Miler

Geyserville, United States • 1 Feb 2025

The Lake Sonoma 100 Miler is an exciting endurance running event set in Geyserville, California, featuring a challenging 100-mile course with approximately 27,000 feet of elevation gain. The race emphasizes a festival-like atmosphere, complete with live music, food trucks, and wine tasting at the start/finish area. Participants can also enjoy a unique "Little Baby" backyard run. The event prioritizes runner experience with generous cutoff times, excellent aid stations, and a focus on community engagement, including charity support for the Children of Vineyard Workers Scholarship Fund. The race is designed to be memorable, whether runners face sunny or muddy conditions. Visit the organization's website for the most recent information.

United States California Geyserville

Race information

Website Registration
100 mi
27000 m+
100 Miler
100 mi
27000 m+
100m 4 Person Relay
50 mi
50m 4 Person Relay
Baby Backyard
Visit the organization's website for the most recent information.
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