Sonoma Fall Classic
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Event Overview
The Sonoma Fall Classic is a trail running event held at Lake Sonoma, California, within the regional wine country during the harvest season. The event features a variety of distances primarily utilizing singletrack trails with views of the lake. Participants can choose from several individual race lengths or join relay teams.
The available distances include:
- 100 Mile
- 50 Mile
- Marathon (approximately 26.6 miles)
- 100 Mile Relay (4-person teams)
- 50 Mile Relay (4-person teams)
Course Details
The 100 Mile course consists of two 50-mile loops. It begins with the Pritchett Peaks hill climb, followed by descents onto the South Lake Trailhead. The route carries runners around the back side of the lake to Falcons Nest before returning across the lake bridge. This distance has a total estimated elevation gain of over 25,000 feet and a 36-hour time limit.
The 50 Mile race follows a course that launches runners onto 16 miles of singletrack after a short road section intended to space out the field. The Marathon follows a classic loop around Lake Sonoma, featuring various elevation changes and water crossings.
Logistics and Environment
Free on-site camping is available for registered participants near the start and finish area on a first-come, first-served basis. Aid stations are positioned along the courses, providing support at locations such as Island View, Warm Springs, Liberty Glen, and Lone Rock.
Typical weather conditions for the region in October include highs of approximately 75 degrees F and lows near 50 degrees F. Rain and mud are possible given the season. For the 100 Mile distance, pacers are permitted after the first 50 miles or after dark, and trekking poles are allowed. Visit the organization's website for the most recent information.
