Trail Running calendar near Happy Valley 2026-2027

A low-key evening trail running series in Forest Park, organized as three Series of five races with courses around 4 to 7 miles. The Series includes standings, a post-Series awards gathering, and benefits the Forest Park Conservancy.

A trail race day on October 31, 2026 in Cascade Locks, Oregon featuring a 25K point to point and a 50K lollipop course along the Pacific Crest Trail and Gorge 400 trail, finishing at Marine Park with aid stations, timing, and post race awar..

A nonprofit trail event in Klickitat, WA, featuring a half marathon and 5K along the Klickitat River, shuttle access to trailheads, aid stations, post-run chili with a vegetarian option, and awards for top finishers.

A 7 mile single track trail race on Dog Mountain near Carson, WA with a steep 3 mile, 3000 ft climb to the summit and a 4 mile downhill finish. Awards, on site food and beer, and well behaved dogs are welcome.

A community holiday running event in Camas on December 19, 2026 featuring a 5k and a Dirty Santa 10k trail run, with post-race cookies, cocoa and a visit from Santa.

A fundraiser in La Center with 5K and 10K run/walk courses that start and finish at La Center High School, followed by a pancake breakfast benefiting the high school volleyball program and awards for top finishers.

A trail ultramarathon at Henry Hagg Lake near Gaston OR offering 50K (two laps) and 25K (one lap) around muddy single-track lake trails with cupless aid stations, finisher socks and gender-divided awards.

Scenic trail races through the Columbia River Gorge staged at Marine Park in Cascade Locks, offering 100K, 50K and 30K distances, on-site Thunder Island camping, chip timing, stocked aid stations, and a $75,000 prize purse.

A half marathon through the Tum Tum unit of Starker Forests near Blodgett, Oregon, held as part of the Mudslinger Festival. The event is limited to 100 runners, uses marked trails, includes age group awards, and offers combined scoring with..

A 100-mile ultramarathon in Stub Stewart State Park, Oregon, featuring forest and rail-trail terrain, about 7,000 ft elevation gain and over 25 crew access points. A 10% registration tax funds prize money for the fastest male and female fin..

A one-course trail event at L.L. Stub Stewart Memorial State Park on April 25, 2027 where participants choose one of four distances by completing laps of a 6.5 mile loop. Top male and female finishers in each distance receive Bivouac Golden..

A trail marathon and half marathon at Timothy Lake, Oregon on June 5-6, 2027, featuring single track forest trails, rustic bridge crossings, and views of Mt. Hood.

A trail running event on June 12, 2027 in Blodgett OR offering a **50K** single loop summit course and a **25K** option on private Starker Forests land with onsite camping and aid stations.

The Mud Factor - Portland will take place in Mount Angel on Saturday 26 June 2027.

A community July 4th running event in Stayton, Oregon featuring 3K, 5K and 10K courses on asphalt and trail. Part of the town festival, it offers age-group ribbons and a prize for the most patriotically dressed runner.