Logo

Lake Sonoma 50

Healdsburg, United States • 11 Apr 2026

Taking place in Healdsburg, California, the TERREX Lake Sonoma weekend features three distances on April 11, 2026: the Lake Sonoma 50 Mile, the Lake Sonoma Marathon, and the Trail Sisters Half Marathon. The event blends competitive racing with a festival atmosphere, including an Elite division in the 50 Mile with its own start and cash prizes, and a Party Pace pacer program to help runners reach the finish. Live streaming by Mountain Outpost offers full coverage of the 50 Mile and highlights from the others, with free WiFi at Start, Finish, and key aid locations. A Sunday celebration at Coyote Sonoma caps the weekend. Visit the organization's website for the most recent information.

United States California Healdsburg

Race information

Website
50 mi
Lake Sonoma 50 Mile
26 mi
Lake Sonoma Marathon
13 mi
Trail Sisters Half Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

California Fall Classic at Lake Sonoma

Healdsburg

The California Fall Classic at Lake Sonoma offers two ultramarathon distances: 100K and 55K, run at Lake Sonoma near Healdsburg, California. The weekend features on-site camping, live music, and local food, wine, and beer, with proceeds supporting the Children of Vineyard Workers Scholarship Fund. R..

Lake Sonoma 100K / 55K

Lake Sonoma - 15 mi from Healdsburg

The California Fall Classic at Lake Sonoma offers challenging 100K and 55K ultramarathon races set in the scenic wine country of Lake Sonoma, California. Known for its relentless courses featuring miles of single-track trails with stunning lake views, the event takes place in the fall, providing coo..

Napa Fall Wine Country Marathon

Calistoga - 15 mi from Healdsburg

2025 Napa Fall Wine Country Marathon, Half Marathon & 10K takes place in Bothe-Napa Valley State Park along Saint Helena Highway in Saint Helena, CA. The course uses lush single-track trails with hills, streams and rocky sections, delivering a rugged and rewarding challenge, set just minutes from Na..

Napa Valley Trail Marathon

Calistoga - 15 mi from Healdsburg

2026 Napa Valley Trail Marathon, Half Marathon & 10K takes place at Bothe-Napa Valley State Park in Saint Helena, California. The event offers three trail distances: marathon, half marathon, and 10K. Runners tackle lush single-track with hills, streams, and rocky sections; the course is marked with..

Napa Valley Endurance Run

Calistoga - 15 mi from Healdsburg

Location: Calistoga, California, in Napa Valley. Distances: 50k, 35k, half marathon, and 10k. Atmosphere: a mountain-style trail ultra with a devoted community feel, starting and finishing on the Great Lawn at the Calistoga Fairgrounds.Course: four races depart the Fairgrounds, venturing into Robert..

Tails & Trails- Charitable Walk/Run

Windsor - 5 mi from Healdsburg

The Tails & Trails Charitable Walk/Run takes place in Windsor, California, at 11010 Estate Lane. This event offers a 5K run and a Dogwood Dash, with a virtual option allowing participants to complete any distance. The event supports a charitable cause and provides a welcoming atmosphere for runners..