Run for the trails! The Trillium Trail Run 10K/5K and Kids Fun Run returns to Bainbridge Island Saturday, May 9, a benefit to acquire, build and maintain new Bainbridge Island trails.  

The Trillium Trail Run is presented by the Bainbridge Island Parks & Trails Foundation. 

Early-bird registration for the timed event is now open at  www.trilliumtrail.run. Cost is $35 for the 10K run and $30 for the 5K, with all proceeds supporting trail projects on Bainbridge Island. The Kids Fun Run is free. 

Runners and walkers will enjoy a scenic course from Battle Point Park, along the Forest to Sky Trail and over scenic Hilltop meadow, and looping among the great firs of the Grand Forest.  

The Kids Fun Run through Battle Point Park begins at 8:30 a.m. The 10K and 5K events begin at 9 a.m.  

Race-day highlights include activities for kids, music and refreshments. Come for the race, stay for the fun.   

Registration increases to $45 (10K) and $40 (5K) after April 9. Runners can also register day of race beginning at 8 a.m. 

The 2026 Trillium Trail Run sponsors include Jason Shutt/Windermere Real Estate, Town & Country Markets, Bainbridge Youth Services, GoRun, Bainbridge Ultra Running Team, Fort Ward Parkrun, Bainbridge Prepares and the Bainbridge Island Metro Park & Recreation District. Businesses can become a race sponsor by contacting Mary Meier, mary@biparksfoundation.org or 206.842.4971. 

Trillium Trail Run proceeds support the Foundation's "Trails Connect Bainbridge Island" campaign, to acquire, build and maintain new trails around the island including: the Lost Valley Trail, nexus of the east-west, cross-island trail route from Winslow to Gazzam Lake; and the Waypoint Woods gateway trail. 

For race information, contact Heidi Urish at the Bainbridge Island Parks & Trails Foundation, heidi@biparksfoundation.org, or call 206-842-4971.