Trail Running calendar near West Seattle 2025-2026

Run a scenic loop through fern lined forest and along sandy shoreline at Dash Point State Park. Pick a half marathon, 10K, kids race or brunch run for a family day by Puget Sound.

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.

On March 28 enjoy spring trails at Bridle Trails State Park with distances from 5 km to a full marathon on scenic looped courses featuring gentle climbs, smooth trails, and varied terrain. Youth runners get a $10 online discount.

Run the inaugural Redmond Marathon on March 29, 2026, from Sixty Acres Park along the scenic Sammamish River and East Lake Sammamish trail. This Boston Marathon qualifying 26.2 miles out and back offers a fast, well supported course.

Run scenic singletrack along Kelly Ridge between Olympic National Park and the Strait of Juan de Fuca in Port Angeles on April 11, 2026. Choose 12K, half marathon, or 50K with aid stations, chip timing, shuttles and an after party.

Run the scenic single track at Royal Roads University for the Vancouver Island Trail Running Series, with 11 km, 6 km and a kids 1 km option for all levels. Enjoy campus trails, post race food and prizes while supporting local trail groups.

Squak Mountain offers rugged, mossy forest trails, steep climbs and sweeping mountain views. Pick from 50K, half marathon, 12K, 12K brunch run or kids race for a scenic, technical trail challenge.

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..

Run wooded trails through Battle Point Park and Grand Forest at the Trillium Trail Run on Bainbridge Island. Pick 5K, 10K or a kids fun run while supporting the Trails Connect Bainbridge Island campaign to build and maintain local trails.

Soaring Eagle Trail Run in Sammamish invites runners onto scenic, mostly flat forest trails along the Pipeline Trail, with roots and rocks to keep it interesting. Multiple distances, including a kids race and brunch run options, make it a f..

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.

Rainier to Ruston Rail-Trail Relay (R2R) is a National Trails Day running event spanning from Mount Rainier to Ruston, near Tacoma, Washington. Scheduled for June 6, 2026, the race brings athletes and community members together to run along..

June 13, 2026: Super Marathon and Half Marathon on the Palouse to Cascades trail through Snoqualmie Pass, featuring sweeping mountain views and the 2.4 mile Snoqualmie Tunnel. Marathon is Boston qualifying.

Take on the Tiger Peak Challenge near Issaquah on June 20, 2026 with 50K, half marathon, 5 mile and kids races along rugged Tiger Mountain trails. Expect steep climbs, scenic ridge views and staffed aid stations to keep you moving.

Join the 24th Hotfoot 5K Trail Run on June 20, 2026 at South Kitsap Regional Park in Port Orchard for a family friendly loop through shady woods and park highlights. Proceeds support local scholarships and the 4th of July fireworks.

Run the Yeti Ultra Trail Washington on June 26 and 27 along the Palouse to Cascades Trail from Hyak Sno Park, with 100K, 100 mile and 200K distances. Expect fast crushed limestone underfoot, a cool 2.3 mile tunnel that requires a light, plu..

Run iconic trails at Crystal Mountain July 17 to 18, 2026 with downhill and uphill distances that thread forested ridgelines and alpine meadows. Registration includes an all day scenic gondola pass for participants.

Cascade Crest is a rugged 100 mile trail ultra near Easton Washington that climbs over 23,000 feet and includes about 32 miles on the Pacific Crest Trail. Expect deep forests, the 2.3 mile Snoqualmie Tunnel, and a relentlessly scenic mounta..

Run the rugged trails of the Dark Divide in Washington's central Cascades at the scenic Cispus Learning Center September 4-6, 2026. Choose from a 100 mile, 50K or 15 mile course across steep, technical singletrack.

Coastline Endurance Running hosts scenic, technical trail races across Vancouver Island, from mossy Arbutus forests to rugged mountain single track. Pick distances from 25 km to 50 miles or take on the Double during the Vancouver Island rac..