Trail Running calendar near Black Diamond 2026-2027

We have found 60 Trailruns within 80 miles of Black Diamond. See below where and when you can find the races.

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.

May 2026

Tiger Claw returns May 8 to 9, 2026 in Issaquah WA with steep climbs and focused descents on rugged Tiger Mountain trails. Choose the Ascent, the 50k, the Big Cat combo, or the new three person Ambush relay for a true Pacific Northwest test..

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.

Join the 22nd annual Cougar Mountain Trail Run Series in Bellevue on May 9, 2026, for scenic single track trails through forest, marsh, and rolling hills. Choose 5 or 10 mile options and help support King County Parks.

Hit the trails at Soaring Eagle Regional Park on May 16 for a scenic trail run with 5K, 10K, half marathon, brunch runs and a kids race. Forested loops, aid stations with snacks and electrolytes, and cupless event so bring a refillable bott..

Join Leavenworth Trail Fest in Leavenworth WA on May 23 2026 for mountain races from a family friendly 5k to challenging 27k and 55k routes, plus a lively festival and Trail Family Food Tent. Finishers can select a keepsake or plant a tree.

Challenge yourself on the Freedom 50 ultramarathon in Puyallup on May 23, 2026, with 50 mile or 50k options along the scenic Foothills Trail. Mostly paved course with strong aid station support and finisher medals plus local sponsor perks.

Timed ultrarun on a scenic 1.75 mile loop around Lake Tye in Monroe, WA. Choose your time, run as many laps as you can, earn a wooden medal coaster, and help raise funds for local trails and charities.

June 2026

Run Vashon Island on June 6 with 50K, 20 mile and 10 mile trail options on a scenic, challenging loop of roots, hills and varied footing. Limited to 200 runners, proceeds support island youth athletics and Friday camping is available.

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 scenic loops at Tiger Mountain State Forest on June 6, 2026, from a rolling 5K to a half marathon with big climbs and sweeping singletrack descents. Bring hydration for longer distances.

Run a scenic point to point downhill from Snoqualmie Pass to North Bend, featuring a long tunnel and mountain and waterfall views on a Boston qualifying course. 2026 dates are planned but registration is paused while organizers finalize an..

Run the Super HYAK Marathon and Half Marathon on June 13, 2026, along the scenic Palouse to Cascades trail with long net downhills for fast times. The marathon is Boston qualifying and the half features the Snoqualmie Tunnel plus a custom m..

Explore Cougar Mountain single track trails on June 13 with options from 5K to 14.5 miles through forested hills and wetlands. Organized by Seattle Running Club and Northwest Trail Runs, part of each entry benefits King County Parks.

TedDriven Overland Ultra Relay is a three day stage race based at Leavenworth where teams of up to eight run scenic alpine, orchards and lakeshore legs. Combine daily times as a team and celebrate with a captain's dinner and lakeside finish..

Run scenic, steep trails near Issaquah on June 20, 2026 with 5 Mile, Half Marathon and 50K options. Climb multiple Tiger Mountain peaks for big elevation and finish with handmade swag produced with solar power.

Run the 24th annual Hotfoot 5K at South Kitsap Regional Park in Port Orchard on June 20, 2026, a scenic mostly flat loop through wooded trails and park features. Proceeds support community scholarships and the Fourth of July fireworks and a..

Challenge yourself on the Palouse to Cascades Trail at the Yeti Ultra Trail Washington, with 200K, 100 mile and 100K options and the 2.3 mile Snoqualmie Tunnel as a unique highlight. Crews and pacers are permitted for a supported experience..

July 2026

Run scenic single track trails on Cougar Mountain in Bellevue with 5K, 10.8 mile or 19.5 mile options. This cup free race includes post race food and beer and a small donation supports King County Parks.

Cascade Crest is a rugged 100 mile trail race in Easton WA featuring 23,000 plus feet of climbing, 32 miles on the Pacific Crest Trail and a run through the 2.3 mile Snoqualmie Tunnel. Expect technical, forested singletrack and epic views.