Program Registration

Annadel Half Marathon

April 7, 2024

9:00 am

Runners and walkers: Support your parks by participating in this non-profit fundraising event. Early bird registration ends on March 31.

The Annadel Half Marathon returns this year with a half marathon, 10k and 5k events, on Sunday, April 7.


Race day begin at 9 a.m. with the Annadel Half Marathon, followed by the other two events. The starting line will be in Spring Lake Regional Park and continue into Trione-Annadel State Park. Participants in both the 5k and 10k can walk, run or a combination of the two.


Early bird registration is available through March 31: 5k, $55; 10k, $65; half marathon, $110. The regular entrance fee will go up on April 1: 5k, $60; 10k, $70; half marathon, $120.


All registration details can be found at


Organized by Fleet Feet, registration fees from the 5k will benefit the Sonoma County Parks Foundation to continue to fund trail building in Regional Parks. Friends of Trione-Annadel State Park will benefit from the other two events.


Interests & Categories:

Good For Everyone

Select Number of Participants: Price
Annadel Half Marathon $0.00