Trail Running calendar near Siler 2026-2027

Run a scenic 5K or 10K through Pierce College and nearby parks in Puyallup on January 18, 2026, then celebrate with freshly brewed coffee and handcrafted chocolate. Early registration pricing ends December 31, 2025.

Scenic half marathon, 10k and 5k along the Cedar and Green River trail in Maple Valley with a USATF certified course, race shirt, finisher medal and postrace chili and music.

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.

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.

Celebrate Valentine's Day with the Ten Trails Active Club Heartfelt Hustle, a free 5K community run in Black Diamond on Feb 14. Team entries, costumes, hand timed results and post race snacks make it a festive and friendly outing.

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.

Join the Running Rugger 5K on March 14, 2026 in Seattle for a scenic run across the University of Washington campus, Rainier Vista and waterfront. All abilities welcome and proceeds support the UW Womxn's Rugby Club for gear, travel and inc..

Run beachfront trails at Dash Point State Park with 10K and half marathon options through lush forest and mossy singletrack. Expect rolling climbs, a sandy beach start, and a handmade finisher item made using solar power.

Join the A2PT 5K MS Fundraiser at Titlow Park in Tacoma for a family friendly 5K supporting the National Multiple Sclerosis Society. Enjoy music, coffee, snacks, swag and a postrace raffle while helping a great cause.

Join the official Daffodil Festival run on Sunday March 29, 2026 in Puyallup for the 6th annual Daffodil 8K. Enjoy a flat, chip timed, family friendly course from Van Lierop Park across the scenic Foothills Trail.

Gorge Waterfalls trail runs Apr 10 to 12, 2026 in Cascade Locks along the Columbia River Gorge, offering 100K, 50K and 30K. The 100K is a Western States qualifier and all distances are UTMB Index races.

Squak Mountain Trail Runs at Squak Mountain State Park offer 12K, half marathon and 50K loop courses with big climbs, summit views and historic forest scenery. Kids races, aid stations and a brunch run make it a full day for trail lovers.

Run scenic river and ridge trails at Oxbow Regional Park near Portland on April 26, 2026, with 5k, 10k, and half marathon options. Limited to 150 runners, this trail race offers unique awards and a commemorative Oxbow cup.

Run the Firelane Trail Trial on May 2, 2026 in Forest Park Portland, a steep 4.45 mile out and back up Firelane 1 with challenging grades and a live feed at the turnaround. Finish with a post race gathering at Great Notion Brewing; field ca..

Tiger Claw returns May 8 to 9, 2026 in Issaquah WA with steep climbs and focused descents on rugged Tiger Mountain trails. Choose the Ascent, the 50k, the Big Cat combo, or the new three person Ambush relay for a true Pacific Northwest test..

Join the 22nd annual Cougar Mountain Trail Run Series in Bellevue on May 9, 2026, for scenic single track trails through forest, marsh, and rolling hills. Choose 5 or 10 mile options and help support King County Parks.

PIGTAILS Run returns to Maple Valley for its 20th running with 50K, marathon and half marathon options along river and forest trails. Expect rugged low support, strict cutoffs, and a fun piggy finisher medal; event rescheduled for early 202..

Wood You Rather at Mt Tabor Park in Portland on May 16, 2026 invites runners to use a simple map to find as many checkpoints as possible in two hours. Solo and team entries welcome, with coffee, donuts and a finisher mug.

Join Micah's Mini Marathon on May 17, 2026 at Frenchman's Bar Regional Park in Vancouver WA for a fun, flat 2.62 mile out and back on a paved trail. Enjoy on site pickup, a swag bag and socks, coffee and snacks, or run virtually anytime.