Trail Running Calendar Washington 2025-2026

We have found 82 Trailruns in Washington. Check below where and when you can find the races.

Coffee Lovers and Chocolate Lovers 5K & 10K is held in Sumner, Washington, offering two distances: 5K and 10K. Runners traverse the scenic Sumner Link Trail as part of a Pacific Northwest course. The event centers on a unique, themed experi..

Enjoy a scenic 10K cross country ski race at Mount Spokane State Park with wave starts to match your pace, and adaptive categories and guides welcomed. Friendly, community atmosphere ideal for skiers of all levels.

Interlaken Icicle Dash : event overview Interlaken Icicle Dash takes place on January 31, 2026, at Interlaken Park in Seattle, WA. It is the seventh and final event in the 2025-26 Winter Trail Series. Distances offered: 5k 10k A youth run..

Take on the Big Cross Frozen Tundra in Pasco a scenic but challenging woodchip and gravel cross country loop with plenty of hills. Choose a 2.5 or 5 mile course, join a school or spirit team and score points while earning race socks.

February 2026

Run Forest Run is a scenic but rugged trail race at Lake Sylvia State Park offering 25K and 50K options. Enjoy forested single track, muddy technical sections, and lake views while supporting a local trail running non profit.

Run forested singletrack and bluff top trails at Fort Ebey State Park on Whidbey Island with 5k, 10k, half and marathon options over Feb 14 and 15. Enjoy rolling terrain, a finisher medal, and support the Healthy Island Youth Initiative.

Tackle steep singletrack at Lord Hill Regional Park, with distances from a punchy 5K to a bold 50K. Expect technical trails and creek crossings, bring a refillable bottle for this cupless race, and earn a handmade solar award.

March 2026

Laliik Trail Races on March 7, 2026 near Benton City Washington offer scenic, challenging trails with distances from 5K to a 6 hour ultraloop. Run to support local trail conservation while enjoying steep climbs and sweeping views.

Run the Lost Lake 25K through the Chuckanut Mountains, a scenic point to point trail from Lost Lake to Larrabee Amphitheater. Expect singletrack, some technical ridgelines, and sweeping views of Mount Baker and Bellingham Bay.

Join Little Backyard Adventure in Olympia for 3, 6, or 12 hour trail runs on a scenic 4 mile loop through wooded single track with a lively aid station. Compete for most loops, enjoy the after party, and plant a tree to mark your finish.

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.

Run scenic trails on Badger Mountain in Richland, WA, with options from 15K to 100M, ruck divisions and doubles at the 15th annual Badger Mountain Challenge. Enjoy Columbia Basin views, a post race party, and charity support.

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.

Last Fool Standing at Port Gamble Heritage Trails March 28 to 29 2026 is a roughly 5K singletrack loop through PNW forest. Choose the hourly Last Fool for a cash prize or 12 24 or 48 hour endurance options, with camping and aid support.

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.

Run With the Goats is a fun lap based 50K on single track trails in Reata Canyon near Kennewick with beer friendly and sober divisions. Expect seven scenic laps, camaraderie, a potluck and a pint glass keepsake.

Squak Mountain invites runners to tackle steep, mossy forest singletrack and summit views in Issaquah, WA. Distances from a kids race to 50K deliver technical climbs, fast descents and scenic rewards for every trail runner.

The Sunflower Relay, Half Marathon and Marathon will take place in Winthrop on Saturday 25 April 2026. You can run between 13 and 26 miles.

Tackle the Leavenworth Firefighter Challenge, a rugged trail 10k that climbs 1,665 feet through continuous uphill forest at Leavenworth Ski Hill. Perfect for runners craving a scenic but demanding test of strength and endurance.

Join the Twilight 12 Hour, a relaxed overnight community trail run at Flying Horseshoe Ranch in Cle Elum. Run loops of creek crossings, climbs and single track, camp on site and cap the night with a pancake breakfast at dawn.