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Lake Sonoma 100K

Lake Sonoma 100K, 50K and Trail Sisters Half Lake Sonoma 100K 2027 · April 10, 2027 · Lake Sonoma Visitor Center · 100 km. Live tracking on Livebib.

Lake Sonoma Visitor Center

Distance
100 km
Start
Sat, Apr 10

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

Lake Sonoma 100K, 50K and Trail Sisters Half Lake Sonoma 100K 2027 takes place on Saturday, April 10, 2027 in Lake Sonoma Visitor Center.

Lake Sonoma 100K: 100 km, start and finish at Lake Sonoma Visitor Center.

Organiser: Trail Sisters LLC.

The course

On the map

Lake Sonoma 100K 2027Open the full-resolution map

Course data verified November 2, 2026