Trail Running calendar near West Seattle 2025-2026

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.

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.

Celebrate Pi Day with the Pie High Trail Run at Lord Hill Park, a hilly, scenic trail challenge offering 5k, 10k and half marathon courses. Finish with a slice of pie and riverside views after mossy forest and creek crossings.

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.

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.

OAT Run April 11, 2026 in Port Angeles offers scenic singletrack on Kelly Ridge with 12K, half marathon and 50K out and back fields capped at 130. Celebrate with a hot meal and beer garden while supporting local trail groups.

Join the Vancouver Island Trail Running Series at Royal Roads University in Victoria BC on April 11, 2026 for scenic trail runs of 11 km, 6 km and a 1 km kids race. Enjoy campus views, post race food and a family friendly vibe.

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.

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..

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.

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.

Soaring Eagle Trail Run in Sammamish on May 16, 2026 features 5K, 10K and half marathon on scenic Pipeline Trail and rooty singletrack with rolling climbs. A flat kids race and on course aid stations make it a great day for the whole family..

Take on the Freedom 50 in Puyallup, WA, choosing the 50 Mile or 50k routes along the scenic Foothills Trail with views of the White River bridge and stocked aid stations. Finishers earn a custom cast medal plus local perks.

Run laps around scenic Lake Tye in Monroe in a timed ultrarun offering 12 hour, 6 hour, and 3 hour options on a 1.75 mile loop. Enjoy full aid, beach access, wooden finisher coasters, and support local trails with every step.

Explore Vashon Island's Gateway Trail system with 50K, 20 mile and 10 mile options over groomed but technical single and double track featuring short steep climbs and rooty turns. Small field, aid stations, live tracking and Friday night ca..

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..

Run the Light at the End of the Tunnel Marathon and Half on June 7, 2026, from Snoqualmie Pass to North Bend. Experience a thrilling tunnel and a steady 2,000 foot net descent on a point to point course known for fast Boston qualifying time..

Challenge yourself at the Super HYAK Marathon or Half on June 13, 2026, along scenic trails with sweeping Cascade and Keechelus Lake views. Both point to point courses feature net downhill profiles and a tunnel section on the half.