Trillium Trail Run

Bainbridge Island, United States • 10 May 2025

The Trillium Trail Run, organized by the Bainbridge Island Parks & Trails Foundation, is a premier spring running event taking place at Battle Point Park. Participants can choose from a scenic 10K or 5K trail run, as well as a Kids Fun Run, all set amidst the beautiful wooded landscapes of Bainbridge Island. The event aims to support the "Trails Connect Bainbridge Island" campaign, which focuses on enhancing local trails and connecting various community areas. Proceeds from the run will benefit the foundation's Trails Fund, promoting the acquisition, construction, and maintenance of new trails. Visit the organization's website for the most recent information.

Race information

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

The 4th Annual Fall Classic takes place on Saturday October 11, 2025, at PLU Meadows Disc Golf Course, 754 124th St S, Tacoma, WA 98444. The race offers 1K Kids run and a 5K for participants, with youth and high school cross country races f..

Event overview Run With The Kokanee is scheduled for Saturday, October 18, 2025, at Lake Sammamish State Park in Issaquah, WA. The event offers the following distances: 5k 10k (two laps of the 5k loop) Entry fees vary by registration peri..

The West Seattle Monster Dash is an annual costumed 5K trail run/walk held at Lincoln Park in Seattle, WA. The 14th edition takes place in October 2025 and features a 5K Run/Walk, a Kids Monster Dash for children 12 and under, and a "Just a..

Get ready for the 19th annual Carkeek 12 hour and 6 hour at Seattle's Carkeek Park on Oct 25. Tackle a punchy 1.93 mile loop with plenty of stairs, enjoy festive Halloween costumes and support trails with every lap.

Cougar Mountain Trail Run : October 25, 2025 The Cougar Mountain Trail Run is held at King County’s Cougar Mountain Regional Wildland Park with the event center at Sky Country Trailhead in Bellevue, WA. The October race is part of the Couga..

Carkeek Cooler Trail Run The event takes place on Saturday, November 1, 2025, at Carkeek Park in Seattle, Washington. Distances offered: 5k 10k The run is part of the 2025-26 Winter Trail Series. Course and aid The course starts and finis..