Trillium Trail Run

Bainbridge Island, United States • 9 May 2026

Event details

The Bainbridge Island Parks & Trails Foundation Trillium Trail Run is held at Battle Point Park on Bainbridge Island. The event includes the following distances:

  • 10K
  • 5K
  • Kids Fun Run

Course and purpose

The course runs on wooded trails from Battle Point Park, follows the Forest to Sky Trail, and loops among the firs of the Grand Forest. Proceeds from the event benefit the Bainbridge Island Parks & Trails Foundation Trails Fund.

The run supports the "Trails Connect Bainbridge Island" campaign, which funds acquisition, construction, and maintenance of trails. The campaign focuses on new trail projects including Lost Valley Trail, Nutes Pond to Sunny Hill Trail, and Waypoint Woods Gateway Trail. Visit the organization's website for the most recent information.

Race information

10 km
10k
5 km
Kids Fun Run
Visit the organization's website for the most recent information.
Trail runs nearby

Join the Redmond Reindeer Romp on Dec 6, 2025 at Redmond Watershed Preserve with 5 mile and half marathon options. Run scenic forest trails with gentle hills and earn Winter Trail Series swag.

Pigtails Run in Maple Valley on Dec 13, 2025 offers 50K, marathon and half on scenic mixed trail with gravel and crushed rock. This low cost Fat Ass event celebrates self sufficiency and welcomes finishers with pizza and medals.

Seward Solstice Run at Seward Park, Seattle on Dec 20. Choose a scenic 4.2 mile or 10k loop through old growth forest and compete in a costume contest with prizes.

Kick off 2026 with Absolution Run at St. Edward State Park on January 3, featuring 4 mile and 8 mile courses of swoopy single track and scenic shoreline. Enjoy technical descents, a rewarding climb back to the finish and hearty aid station..