Trail Running calendar near West Seattle 2025-2026

We have found 45 Trailruns within 80 miles of West Seattle. See below where and when you can find the races.

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.

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 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.

Hit scenic Royal Roads trails in Victoria on April 11, 2026 for the Vancouver Island Trail Running Series. Choose long, short or kid's races and enjoy challenging singletrack while supporting local nature trails.

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.

May 2026

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 offers 5K, 10K and half marathon on scenic forest trails with roots, rocks and rolling climbs. Presented by Arc’teryx Seattle, the event features aid stations, a kids fun run and handmade finisher swag.

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.

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..

Choose the Super Marathon or Super Fast Half on June 13 along the scenic Palouse to Cascades trail. Run 2.4 miles through the Snoqualmie Tunnel and enjoy mountain and waterfall views while chasing fast, net downhill courses.

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..

Test yourself on the Tiger Peak Challenge, a trail run on Tiger Mountain with 5 mile, half marathon and 50K routes that reach two scenic summits. Expect rugged trails, big views, aid stations and a handmade solar finisher prize.

July 2026

Run Mount Rainier trails July 17 and 18 2026 at Crystal Mountain Resort, from summit starts and steep climbs to fast descents across 5K to half marathon distances. Registration includes a daylong scenic gondola pass.

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..

September 2026

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.

Tackle the Kusam Klimb in Sayward BC on June 20, 2026, a scenic trail run up Bill's Trail to Mt H'Kusam with rewarding summit views. Choose the full Klimb or Mini Klimb and enjoy mossy singletrack and technical mountain trails.

Run the GOAT Run in Port Angeles on the Olympic Adventure Trail with 50K, marathon or half options, ending at Lake Crescent. Scenic single track, shuttle to the start and a lively after party make for a memorable day.