In 41 days · Sun, Oct 11, 2026
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When
Sunday, October 11th, 2026
Where
Kentucky St, Petaluma CA
Distances
Half · 5K · 10K
Typical weather
52–77°F · low rain risk
See last 10 years
On this date: rain 0 of the last 10 years
2025
51–70°F
dry
2024
50–75°F
dry
2023
52–72°F
dry
2022
49–78°F
dry
2021
50–71°F
dry
2020
54–80°F
dry
2019
50–77°F
dry
2018
49–73°F
dry
2017
51–76°F
dry
2016
51–69°F
dry
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About this race
Event Date
October 11, 2026
Event Overview
- Event Name: Clo Cow Half Marathon, 10K & 5K
- Location: Historic Downtown Petaluma, CA
- Experience: Scenic route through Sonoma County farmland
- Cheer Squad: Friendly sheep, horses, and Moo-Cows
Course Highlights
- Terrain: Rolling hills with challenges
- Views: Sweeping country views at the top
- Scenery: Picturesque landscapes throughout the run
- Community: Join fellow runners in a vibrant setting
More Information
For additional details and to register, visit the official race page: Clo Cow Half Marathon, 10K & 5K.
Course map
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