Trail Running calendar near Sedro-Woolley 2025-2026

The Phantom Run 2025 is a winter trail fundraiser in Lynn Canyon Park with 12K, 19.5K and 25K routes that mix technical singletrack and steep climbs. Enjoy hot soup after the race and support North Shore Rescue and the Harvest Project.

Join the Ravenna Refresher Trail Run on November 15, 2025 at Ravenna Park in Seattle, with 4k, 8k and 12k options on a scenic forest loop with mild climbs. A friendly, well supported Winter Trail Series stop for trail runners.

Tackle muddy trails and grassy laps at the Fraser Valley Cross Country Ramble in Abbotsford's Clearbrook Park on November 16, 2025. Options for open and youth runners make this a fun and fast day for all abilities.

Tackle a rugged 10 kilometre on Thetis Lake trails at the Harriers Gunner Shaw Cross Country Classic on Nov 22. Celebrate the 41st running, enjoy post race camaraderie and support Harriers Foundation projects.

Join the Jumping Mouse Turkey Trot in Port Townsend on November 22, 2025 for a scenic, flat 5K on the Larry Scott Trail or a fun 1 mile kids run. Family and dog friendly, proceeds support children's mental health at Jumping Mouse.

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.

Run scenic, rugged trails at Thetis Lake Park with technical single track, mud and water crossings plus a climb to Stewart Mountain for great views. Proceeds support the Harriers Foundation and youth development programs.

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.

Run scenic coastal trails at Deception Pass State Park on December 13 and 14, 2025 with 50K, 25K and a kids 1K fun run. Expect technical single track, bluff views and two crossings of the iconic bridge.

Celebrate the solstice with a forest run at Seward Park in Seattle on December 20, 2025, choose 4.2 mile or 10k and enjoy an old growth loop along Lake Washington. Dress up for the costume contest and win a free entry.

Hit the scenic trails of Grouse Mountain with options for a 10 Mile, a 50 Mile, or a Virtual Challenge on Dec 30 and 31, 2025. Enjoy stunning views, volunteer trail cleanup, and support the Friends of Grouse Mountain while testing your limi..

Kick off 2026 on the trails at Absolution Run, January 3 at St. Edward State Park in Kenmore. Pick a 4 mile loop or an 8 mile double loop over winding single track and lakeshore, finishing with an uphill push and full aid station support.

The Bridle Trails Winter Running Festival will take place in Kirkland on Saturday 10 January 2026. You can run between 5 and 50 kilometers.

Frost Eagle Trail Run at Soaring Eagle Regional Park offers 5 mile and Half Marathon trail races on January 17. Tackle rolling, technical singletrack in a figure eight with stocked aid stations and earn limited Winter Trail Series socks.

Interlaken Icicle Dash : event overview Interlaken Icicle Dash takes place on January 31, 2026, at Interlaken Park in Seattle, WA. It is the seventh and final event in the 2025-26 Winter Trail Series. Distances offered: 5k 10k A youth run..

The West Seattle Beach Run - Fat Ass will take place in West Seattle on Sunday 8 February 2026. You can run between 21 and 50 kilometers.

Run forested singletrack and bluff top trails at Fort Ebey State Park on Whidbey Island with 5k, 10k, half and marathon options over Feb 14 and 15. Enjoy rolling terrain, a finisher medal, and support the Healthy Island Youth Initiative.

Run Lord Hill in Snohomish on rugged single track with sustained climbs, creek crossings and distances from a 5K to a tough 50K. All finishers receive handmade swag powered by local solar energy.

Join Run Ridge Run in Port Moody on February 21, 2026 for 13 km and 25 km trail challenges with sustained climbs, technical descents and sweeping views around Sasamat and Buntzen Lakes. Kids can join a free untimed 1 km fun run.

Run the scenic Rock Solid Marathon or Half on Whidbey Island, Saturday February 28, 2026, with coastal roads, beach miles, and island trails finishing at the historic Captain Whidbey Inn. Proceeds support The Rock Solid Foundation.