Bainbridge Island Parks & Trails Foundation Trillium Trail Run
Saturday, May 8, 2027, first start 8:30 AM, in Bainbridge Island (Battle Point Park). Distances: 1 mile, 5K, 10K. Entry from $30 to $35.
- Date
- Saturday, May 8, 2027
- Start time
- 8:30 AM (earliest wave)
- Location
- Battle Point Park, Bainbridge Island, WA 98110
- Area
- Seattle (city), Seattle
- Distances
- 1 mile5K10K
- Course
- Trail (dirt or single-track on at least part of the course)
- Price
- $30 to $35 plus the platform's processing fee
- Next price increase
- None published
- Registration
- Closed online. Opened March 8, online signup closes Saturday, May 8, 2027
How to register
Registration is on RunSignup. Pick your distance, add any extras, and you'll get a confirmation email with your bib details.
See race page on RunSignup →Race website
Course and race notes
Bainbridge Island's beloved spring running event is back! Join Bainbridge Island Parks & Trails Foundation in running or walking a 10K or 5K on a scenic wooded course from Battle Point Park, along the Forest to Sky Trail, and looping among the towering firs of the Grand Forest.
From the race's own listing. Check the race website for the course map and parking.
Source: RunSignup public race API, refreshed 2026-10-17. Details can change; the registration page is the final word.