Lake Sonoma 50 Mile, Marathon, and Trail Sisters Half Marathon

Geyserville, California, United States

Apr 11, 2026 - Saturday

50mi, Half-marathon, Marathon, Ultra

Race Information

Join the Lake Sonoma 50 Mile, Marathon, and Trail Sisters Half Marathon and get the chance to win the cash prize purse for the legendary 50 Mile and Marathon. Business in the front with a party in the back! We are excited to offer Lake Sonoma’s first Party Pace pacer crew! Party pacers will aim for a 13-hour finish, leaving a one-hour grace period before the official race cutoff. Lake Sonoma isn’t just a race event; it’s a celebration. Complete the weekend with a Celebration and Thank You event at Coyote Sonoma in Healdsburg, CA. Everyone involved with the event is invited to enjoy wine, charcuterie, and share stories from the weekend.

Run Pick of the Month - Bay to Breakers

Get ready to be part of history! Bay to Breakers isn't just a 12K; it's the oldest consecutively run annual footrace in the world, held in May 2026.

A legendary staple of the City by the Bay since May 1912, this race has been interwoven into the very fabric of San Francisco, creating a wild, beautiful, and unforgettable celebration of life, community, and pure, unadulterated fun.

The classic 12K is amazing, but if you're looking for an extra push, you're covered with the Breakers Bonus 3K. Turn your run into an epic 15K challenge and make your Bay to Breakers experience even bigger, bolder, and wilder.

Lace up and get ready for a course that takes you through the most iconic, vibrant neighborhoods in the world. Click the button below to get all the details.

Don't just run a race, join a legend.

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Race Facts

Race Size: 100 - 500

Course Type: Trail

Boston Qualifier: No

Kids Run: No

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