Clo Cow Half Marathon
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Clo Cow Half Marathon, 10K & 5K
The Clo Cow event is the 14th annual race set for October 11, 2026 in Historic Downtown Petaluma at 35 Kentucky Street, Petaluma, CA, United States. The event offers multiple road race distances and a post-race gathering.
Distances offered:
- Half Marathon
- 10K
- 5K
Courses run through Sonoma County farmland and rolling hills and pass areas with sheep, horses and cows. The routes include climbs and provide sweeping country views at higher points.
Registration for each distance includes a T-shirt, a cowbell medal and post-race food. Registrants under 18 receive a $10 discount that applies to all distances. Registration fees vary by date.
A fundraising effort is associated with the event for the Petaluma Educational Foundation; the listed goal is $2,500 and the amount raised to date is $61.99, shown as 2% of the goal. Visit the organization's website for the most recent information.
