Trail Running calendar near Diablo 2026-2027

We have found 34 Trailruns within 80 miles of Diablo. See below where and when you can find the races.

Trail races on Sumas Mountain offer 10K, 25K and 50K routes across rugged single track with significant elevation and valley views. Entry fees support clean water projects in Uganda and DRC.

An eight hour loop event at Rolley Lake Provincial Park on May 30, 2026, where runners complete 8 km laps to raise funds for Mission Search and Rescue. Onsite, relay, 1 km fun run and virtual options are available.

Echo Valley is a two day trail running event in Lake Chelan offering a 1-mile kids race, 10K, half marathon and 50K on single loop forest trails with valley views. Camping, aid stations, and cupless racing rules apply.

Two day event at Cultus Lake on May 30 and 31, 2026 offering 15 km and 35 km trail races plus a multisport SUP bike run available solo or as a three person relay.

Timed endurance event on a 1.70 mile paved loop around Lake Tye in Monroe, WA with 12 hour, 6 hour and 3 hour options, aid stations, chip timing, medals and post-race food. Proceeds support local trail maintenance.

A community fun run and walk at Port of Skagit Nature Trails on May 30, 2026 supporting Skagit County K9 units, with 2.1 mile, 5K and 10K options, staggered group starts, picnic and raffle, and dogs welcome on leash.

June 2026

FORGE is a 12 hour backyard ultra near Swinomish Casino in Skagit County, WA. Runners complete a 4.167 mile loop each hour; finish all 12 loops for 50 miles. Awards include trophies and a $500 prize for fastest cumulative time.

A 5K course with 25 plus obstacles and 2.5 million cubic feet of foam at Cloverdale Agriplex in the Vancouver Surrey area. On-site festival features include a Kids Fun Zone, live DJ and food vendors.

Two days of trail racing on Orcas Island centered at Doe Bay Resort with 50K, 25K and a combined 75K option. Courses run on single track through old growth forest with multiple staffed aid stations and significant elevation gain.

A last-person-standing trail race on a 2.18-mile forest loop in Japanese Gulch, where cutoff times shrink each lap until one runner remains. The format mixes social-paced laps with progressive time limits and is Trail Sisters Approved.

Timed loop trail races at Sasquatch Mountain Resort on June 20, 2026, with 24 h, 12 h and 6 h formats on a 10 km loop (about 500 m gain per lap); a 1 km kids out-and-back is also offered.

A weekend alpine trail running event in North Cascades National Park with guided support, campsite logistics and multiple route distances including 12 mile, 25 km, 26 mile and 40 mile options.

August 2026

Timed endurance events of 6, 12, 24 and 32 hour around a marked 2.6 mile wooded loop at Lake Padden, with night lighting, aid stations, keepsakes and awards; limited field and proceeds supporting a local youth program.

Fat Dog 120 runs multiple trail distances on remote single track in southwestern British Columbia, including a point to point 120 mile course with substantial elevation gain. GPX files, aid station access and cutoff times are provided.

A trail race on August 8, 2026, starting at Fairhaven Park and running into Larrabee State Park. Routes showcase forest, lakes, and narrow ridgelines with options of 12K, 25K and 50K and significant elevation gain.

A road race on Whidbey Island through Ebey’s National Historical Reserve offering 5K, 10K and a half marathon on hilly, scenic roads. Proceeds support safe and sober graduation activities for Coupeville High School Class of 2027.

A 5K around Lake Padden in Bellingham that benefits Happy Tails Happy Homes, a nonprofit foster-based animal welfare group. The course is one counterclockwise lap on grass and trails with wooded sections and a few short hills.

September 2026

A 10 mile trail race along the Pacific Crest Trail near Winthrop, WA on September 12, 2026. The field is limited to 460 runners and the event uses six self seeded waves; youth 17 and under race free with required registration.

A mountain trail race at Lightning Lake on September 12, 2026 offering 13 km, 27 km and 50 km routes that reach the 2,426 m summit of Frosty Mountain and pass through alpine meadows and ridge views.

A Spartan obstacle course weekend near Monroe Washington featuring wooded trails and narrow paths with Sprint, Super, Beast and kids races. The program also includes an obstacle workshop a four hour Hurricane Heat and spectator access.

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