In 236 days · Sat, Apr 24, 2027
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When
Saturday, April 24th, 2027
Where
Mt Tamalpais State Park, Mill Valley CA
Distances
Half · 10K
Typical weather
45–59°F · low rain risk
See last 10 years
On this date: rain 0 of the last 10 years
2026
46–56°F
dry
2025
44–51°F
dry
2024
45–56°F
dry
2023
45–62°F
dry
2022
44–63°F
dry
2021
43–52°F
dry
2020
54–74°F
dry
2019
55–74°F
dry
2018
46–56°F
dry
2017
47–55°F
dry
Best months to race in California →
About this race
Race Overview
- Event: 2027 Mt. Tam Wild Boar Half Marathon & 10K
- Date: April 24, 2027
- Location: Mt Tamalpais State Park, Mill Valley, CA
- Registration Link: Register Here
Course Description
- Scenic Trails: Enjoy the rolling single-track high up on Mt. Tam with views of the Pacific Ocean below.
- Trail Variety: The course includes a combination of paved roadways and dirt single-track trails.
- Views: Experience striking views of Bolinas Lagoon, the Pacific Ocean, and Marin County watershed.
- Starting Point: The start is at Rock Springs, following Ridgecrest Blvd. along Bolinas Ridge.
Race Distances
- 10K Course: Runners will take a left at Willow Camp Trail and head back to Rock Springs along the Coastal Trail.
- Half Marathon Course: Continues along Ridgecrest Blvd. to Bolinas/Fairfax Road before returning via the Coastal Trail.
- Participant Limit: The event is limited to 300 participants.
- Registration Note: Don't wait too long to register!
Course map
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