Trail Running calendar near Siler 2025-2026

We have found 44 Trailruns within 80 miles of Siler. See below where and when you can find the races.

Join the Celebrate Veterans 5K in Tacoma on Nov 16, 2025 to honor military service and those missing in action. Run the first official event on the new Orange Gate and Pipe Trail and enjoy a chip timed race with a patriotic headband and med..

Run the trails at Capitol Forest near Olympia on your own schedule Nov 22 to Nov 30 and support the Thurston County Food Bank. Choose 12 km, 24 km or 35 km, share photos for awards and help raise funds for your community.

Experience a challenging 7 mile trail run from Dog Mountain Trailhead with sweeping views of the Columbia River, Mt Hood and Mt St. Helens. Expect a steep climb to the summit and a thrilling single track descent through the Gorge.

December 2025

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.

Celebrate the season with Saturnalia, a festive 10K trail run through Squaxin Park in Olympia on December 13, 2025. Enjoy wooded trails with views of Puget Sound and the state Capitol, holiday treats on course, and a medal for every finishe..

Seward Solstice Run at Seward Park, Seattle on Dec 20. Choose a scenic 4.2 mile or 10k loop through old growth forest and compete in a costume contest with prizes.

January 2026

Frost Eagle Trail Run on January 17 at Soaring Eagle Regional Park in Sammamish offers 5 mile and half marathon courses on twisty singletrack with rolling hills. Figure eight loops pass aid stations regularly for steady support.

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.

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.

March 2026

Explore coastal trails at Dash Point State Park in Federal Way on March 21, 2026, with start and finish on a sandy Puget Sound beach. Run a 10K or half marathon loop of ferns, bridges, and ocean views.

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

April 2026

Run among waterfalls and the dramatic Columbia River Gorge with 30K, 50K and 100K trail options from April 10 to 12, 2026. Expect marked courses, aid stations, camping nearby and a classic Pacific Northwest trail experience.

Squak Mountain Trail Run on April 18, 2026 invites trail lovers to tackle 12K, half marathon or 50K courses with sustained climbs and scenic peak views. This cupless race rewards finishers with handmade solar powered swag.

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.

May 2026

Firelane Trail Trial is a time trial out and back on Firelane 1 in Forest Park featuring a steep climb and technical trail sections. Field capped at 144 with a post race gathering at Great Notion Brewing.

Tiger Claw on Tiger Mountain in Issaquah WA on May 8 and 9, 2026 delivers steep, technical trails and a rugged 50k of about 31 miles with massive elevation gain. Choose the vertical Ascent, a team relay or the double loop for a true trail t..

Wood You Rather at Mt Tabor Park is a two hour checkpoint run where you pick your own trail route from a map to visit as many checkpoints as possible. Expect 5 to 8 miles and a Wood You Rather mug plus coffee and donuts at the finish.

Celebrate Memorial Day weekend in Portland with Stumptown Trail Runs, featuring a rugged 50K and a scenic half marathon through Forest Park and the Wildwood Trail. Small fields, great trail views, and proceeds support the Forest Park Conser..

June 2026

Discover scenic single track and forest trails on Vashon Island with 50K, 20 mile and 10 mile options. Small field, community feel, and proceeds support island youth athletics make this a rewarding run for every trail lover.