Trail Running calendar near Bainbridge Island 2026-2027

We have found 66 Trailruns within 80 miles of Bainbridge Island. See below where and when you can find the races.

Kick off 2026 with Absolution Run at St Edward State Park in Kenmore on January 3, offering scenic 4 mile and 8 mile trail loops along Lake Washington. Expect swooping single track, a lakeside descent and a well stocked aid station.

Take on the Race to the Top of Mount Si on January 3, 2026, a steep 3.7 mile trail climb with 4,167 feet of vertical gain to the Rock Garden. Enjoy aid stations, a finisher shirt and medal, and fierce competition for the Golden Si award.

Join the 7 Summits of Mill Hill on January 3, 2026 at Mill Hill Regional Park in Langford. This non competitive challenge has you climb to the cairn seven times at your own pace and finish within 2.5 hours for entry into the prize draw.

Bridle Trails Winter Running Festival in Kirkland offers looped races from 5 miles to 50 km solo or relay on scenic but muddy winter trails. Come solo or as a team and remember your own cup and a headlamp.

Tackle technical singletrack and rolling hills at the Frost Eagle Trail Run in Soaring Eagle Park on January 17. Pick a 5 mile or half marathon figure eight course with frequent aid stations and a lively winter trail vibe.

Run 17 or 34 miles on rugged Capitol State Forest trails in a low support Fat Ass format. Expect winter conditions, be self supported, and enjoy soup while supporting local forest and search and rescue.

Join the Coffee Lovers and Chocolate Lovers 5K and 10K in Washington on January 18, 2026 for scenic winter routes and a lively community run. Finish rewarded with freshly brewed coffee and handcrafted chocolates from local purveyors.

Join the 2026 Get Outside 5k Fun Run in Burlington, WA on January 24 for a chip timed community 5k along wooded trails beside the airport. Enjoy a free race shirt with registration and support the Boys and Girls Clubs of Skagit County.

Run the Interlaken Icicle Dash through Seattle's wooded Interlaken Park on January 31, 2026, with 5k and 10k loop options. As the final Winter Trail Series race, expect scenic climbs, a festive aid station, and a welcoming trail community.

February 2026

Join the West Seattle Beach Run Fat Ass on Sunday, Feb 8, 2026 for a scenic marathon or half along Elliott Bay and through Lincoln Park. Enjoy waterfront views, skyline sights, and a friendly grassroots vibe on this out and back course.

Join the Trio Trail Run February at Frontier Park in Graham on Feb 8, 2026 for a relaxed, laid back trail morning. Choose 2.5 km or a two loop 5 km course, with pre registration discounts for youth and day of race sign up available.

Run rolling trails through forested kettle terrain with bluff top views of the Strait of Juan de Fuca at Fort Ebey State Park on Whidbey Island. Options from 5 km to marathon with a finisher medal included.

Run Forest Run at Lake Sylvia State Park offers 25K and 50K trail loops along scenic shoreline and through mossy forests. Expect steep, muddy February trails with lots of climbing for a rugged, rewarding winter trail experience.

Woolley Trail Runs on February 14 in Sedro Woolley features 50k, marathon and half marathon on the scenic Cascade Trail. Courses are out and back on railroad grade gravel with limited aid so bring water. Parking is limited.

Join the inaugural Song Sparrow Bridge 10K in Sedro Woolley on Feb 14 for a free, untimed trail run through cedar and fir groves, crossing two handcrafted bridges. Enjoy Starbucks warm drinks and a scenic loop on Skagit Trail Builders trail..

The Ten Trails Active Club Heartfelt Hustle will take place in Black Diamond on Saturday 14 February 2026. You can run 5 kilometers.

Lord Hill Trail Run offers 5K to 50K courses on technical forest trails in Snohomish, each starting with a steep climb. Racing is cupless with creek crossings, rocky singletrack, solar powered finisher awards, and a kids race.

Run the Rock Solid Marathon or Half Marathon on scenic Whidbey Island, starting and finishing at the historic Captain Whidbey Inn. Coastal roads, trails and beach stretches offer stunning views while proceeds support The Rock Solid Foundati..

March 2026

The Lost Lake 25K takes you point to point through old growth evergreens and ridgelines in the Chuckanut Mountains near Bellingham, WA. Expect runnable miles, scenic views of Mount Baker and Bellingham Bay, and a mix of climbs and smooth de..

Join the laid back Trio Trail Run on March 8, 2026 at Frontier Park in Graham for fun, relaxed trail races. Pick a short 2.5K or scenic 5K two loop course and enjoy family friendly entry with youth discounts and day of race signups.