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Trail Sisters Half Marathon

Lake Sonoma 100K, 50K and Trail Sisters Half Trail Sisters Half Marathon 2027 · April 10, 2027 · Lone Rock Parking Lot · 21.1 km. Live tracking on Livebib.

Lone Rock Parking Lot → Lake Sonoma Visitor Center

Distance
21.1 km
Start
Sat, Apr 10

About Lake Sonoma 100K, 50K and Trail Sisters Half Trail Sisters Half Marathon 2027

Lake Sonoma 100K, 50K and Trail Sisters Half Trail Sisters Half Marathon 2027 takes place on Saturday, April 10, 2027 in Lone Rock Parking Lot.

Trail Sisters Half Marathon: 21.1 km, from Lone Rock Parking Lot to Lake Sonoma Visitor Center.

Organiser: Trail Sisters LLC.

The course

On the map

Trail Sisters Half Marathon 2027Open the full-resolution map

Course data verified November 2, 2026