Lake Sonoma
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Lake Sonoma

Saturday, April 11, 2026 • Lake Sonoma Visitor Center, Geyserville, CA

BIPOC Athlete Fund Supported
Date
Sat, Apr 11
Location
Lake Sonoma Visitor Center, Geyserville, CA
Terrain
trail
Register ↗Fund Info

About This Race

Lake Sonoma spring ultra festival with 100K Western States qualifier, 50K, and Trail Sisters Half Marathon on buttery singletrack, bridge crossing, and vineyard views.

Race Distances

All distances are supported by the BIPOC Athlete Fund. Click on any distance to view details and apply for funding.

100K

$280mountain-tested
Distance:100 km / 62.1 mi
Elevation: ft
Cutoff:19 hours
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50K

$185going-the-distance
Distance:50 km / 31.1 mi
Elevation: ft
Cutoff: hours
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Trail Sisters Half Marathon

$110ready-for-more
Distance:21.0975 km / 13.1 mi
Elevation: ft
Cutoff:5 hours
View Details →