120Days
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16Hours
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38Minutes
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07Seconds
Half-MarathonMarathonTriathlon+2
TrailTrack+2

Lake Sonoma 100K & 50K

Date & timeSat, Apr 11 · 7:00 AM
Location3227 Stewarts Point-Skaggs Springs Rd, Healdsburg, CA, Healdsburg, CA

Experience the ultimate blend of rugged ultra running and scenic wine country beauty at the Lake Sonoma 100K & 50K event. Taking place on April 11, 2026, amidst rolling hills and oak-dotted ridgelines overlooking the lake, this race offers a Western States-qualifying 100K, a challenging 50K, and a Trail Sisters Women's Half Marathon. Runners will tackle demanding climbs, forested singletracks, and picturesque lakefront paths, supported by well-equipped aid stations and a warm community spirit. From the sunrise summit to the post-race celebration, participants can expect a rewarding experience complete with custom finisher gifts and post-race pizza. Don't miss out on this unforgettable event that promises a perfect mix of competition and camaraderie in the heart of wine country.

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3227 Stewarts Point-Skaggs Springs Rd, Healdsburg, CA, Healdsburg, CA

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Lake Sonoma 100K & 50K | Healdsburg, CA | RunGroop