In 199 days · Sat, Apr 10, 2027
Don't let race day sneak up
One email during race week. That's it.
When
Saturday, April 10th, 2027
Where
21 Main Street, Tiburon CA
Distances
Half · 10K
Typical weather
47–63°F · low rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2026
55–60°F
rain
2025
49–70°F
dry
2024
46–74°F
dry
2023
46–66°F
dry
2022
49–67°F
dry
2021
41–69°F
dry
2020
49–63°F
dry
2019
48–67°F
dry
2018
50–64°F
dry
2017
44–61°F
dry
Best months to race in California →
About this race
Event Overview
- Event Name: Romancing the Island Half Marathon & 10K
- Date: April 10, 2027
- Location: 21 Main Street, Tiburon, CA
- Registration: Register Here
Race Details
- Course: Hilly loop trail circumnavigating Angel Island.
- Scenic Views: Panoramic vistas of the Golden Gate Bridge, San Francisco, Alcatraz Island, the East Bay, and Marin County.
- Distance: The 10K is a single loop: the Half Marathon completes the loop twice.
- Participant Limit: Event is limited to 400 participants, so register early!
Course map
Hotels for race weekend
Live prices near the start line, Apr 9 – 11, 2027.
Train with a club
Run clubs near Tiburon to train with before race day.
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