Trail Running calendar near Siler 2025-2026

The Pigtails Run in Maple Valley on Saturday December 13 2025 offers 50K, marathon and half marathon courses along the scenic Cedar to Green River Trail. Expect mostly paved trail, modest on course support, and finish line pizza and soup.

Celebrate the season with Saturnalia, a Rock Candy Running year end 10K through Squaxin Park in Olympia with Puget Sound and Capitol views. Finish to festive aid station treats and a commemorative medal.

Join the Trio Trail Run at Frontier Park on December 14 for a relaxed community trail outing with 2.5K and 5K two loop options. Laid back vibe, youth discount for pre registration, and day of registration is available.

Celebrate the solstice on a scenic loop through Seattle's Seward Park, choose a 4.2 mile or 10k and enjoy forest trails and playful terrain. Dress up for Glitter Glamour and the Galaxy costume prizes and score limited edition series socks.

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 Frost Eagle Trail Run at Soaring Eagle Regional Park in Sammamish on January 17 with 5 mile and half marathon options on rolling forest singletrack. Part of the Winter Trail Series, the course winds through wetlands and offers on c..

Wake up for the Coffee Lovers and Chocolate Lovers 5K and 10K on Jan 18, 2026 in Sumner, Washington along the scenic Sumner Link Trail. Enjoy post race Keurig coffee and handcrafted Puyallup chocolates after your run or walk.

Run the Interlaken Icicle Dash in Seattle on January 31, choose 5k or 10k looped courses that weave paved boulevard and scenic dirt trails with a short climb. It is the final race of the Winter Trail Series, full of winter running charm.

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.

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.

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 in Tacoma's Titlow Park and trails for a family friendly run, walk, roll or cheer supporting the National Multiple Sclerosis Society. Enjoy music, coffee, snacks, shirts for early registrants and a post race raffle.

Run stunning technical trails in the Columbia River Gorge at Gorge Waterfalls, a multi day race weekend in Cascade Locks with distances from 30K to 100K. Enjoy rugged singletrack, strong race support and benefit Trailkeepers of Oregon.

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 along the scenic Sandy River at Oxbow Regional Park with 5k, 10k and half marathon options on rolling forest and river trails. Limited to 150 runners, this intimate spring trail event features aid stations, post race food and camping.

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..

Take on the trails of Tiger Mountain in Issaquah WA on May 8 9 2026 with options from a summit Ascent to 50k, 50 mile Double, and a three person relay. Choose the order of three climbs on shared descents with timing checkpoints for each loo..

Hit the fern lined single track of Cougar Mountain for a friendly trail run with 5 and 10 mile options, rolling hills and short climbs. Part of a summer series and supporting King County Parks.

Test your navigation and legs at Wood You Rather at Mt Tabor Park, a two hour checkpoint run where you pick your own route from a provided map. Solo runners and teams welcome; expect about 5 to 8 miles, roughly 800 to 1000 feet of climb, an..