Annadel Half Marathon

Santa Rosa, United States • 6 Apr 2025

The Annadel Half Marathon, along with its 10K and 5K events, is a non-profit fundraising race held in Sonoma County, California. Over the past 14 years, it has successfully raised funds to enhance the beauty of Annadel State Park. The challenging half marathon course features over 1,500 feet of elevation gain, making it ideal for experienced trail runners.

Participants can enjoy stunning scenery, including meadows and diverse trees. The event is known for its community support, with proceeds benefiting park improvements. Registration is open for the upcoming event scheduled for April 6, 2025. Visit the organization's website for the most recent information.

Race information

13 mi
Half Marathon
10 km
10k
5 km
Visit the organization's website for the most recent information.
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