Trail Running calendar near Clackamas Lake 2026-2027

On July 25, 2026 the Hoodoo Challenge offers a scenic trail half marathon and a 5K to Potato Hill with limited fields, post-race lunch and proceeds supporting local families.

A 6-hour trail challenge in North Plains where runners complete a 5K every hour to earn patches, a finisher tee, and a chance at national leaderboard prizes including a $1,000 national award.

A low-key evening trail race series in Forest Park with three five-race Series from April to October, featuring hilly courses of about 4 to 7 miles. Series standings require at least four races and the event benefits the Forest Park Conserv..

Hood Hundred is a 100 mile mountain trail race on Mt Hood staged at Mt Hood Meadows. The lollipop loop course includes 17,300 feet of ascent and descent, is a Western States qualifier, and has a 34 hour cutoff.

A remote trail event around Mt St Helens offering 50K and 25K courses over lava fields, boulder terrain, rivers, and forest. The 50K requires a prior trail 50K and mandatory safety gear.

A trail event at Left Coast Estate on August 1, 2026, with 10K and 5K run options and a 5K walk. Proceeds support the Oak Savanna Restoration Project and the day includes wine tasting, live music, and awards.

Haulin Aspen is an all-trail running event on August 8, 2026 near Bend, Oregon. It features a full marathon, half marathon, a 6.5 mile course, and a new three person marathon relay on forested single track.

Experience a 5k mud run and garden party at the Wooden Shoe Tulip Farm. This annual event combines an adventurous obstacle course with a vibrant flower festival to support local charitable community projects.

Timed 24 hour, 12 hour, and 6 hour runs on a 1.05 mile loop at Bush's Pasture Park in Salem, Oregon. The event features chipped timing, a single aid station, and a participant cap.

A low-key evening trail race series in Forest Park with three five-race Series from April to October, featuring hilly courses of about 4 to 7 miles. Series standings require at least four races and the event benefits the Forest Park Conserv..

Bigfoot 200 is a point to point 200 mile endurance run near Mount St. Helens, featuring volcanic terrain, ridge lines, old growth forests and numerous stream crossings. The course is supported by 13 aid stations including six sleep stations..

A 20 mile single track trail run on the south western side of Mount St Helens, featuring lava fields, stream crossings, old growth forest and a 9 hour cutoff on National Forest lands.

A two day mountain trail running weekend at Mt Hood Meadows on August 15 and 16 2026, with alpine courses reaching 8,000 feet and distances from a 50 Miler to a free kids run. The 50K is the 2026 USATF 50K Trail National Championship.

A trail half marathon in Hood River with about 2,300 ft of climb, two official aid stations, and scenic views into Oregon and Washington. The cup free event requires a 24 oz minimum water bottle and includes finisher prize bags and bonus pr..

A low-key evening trail race series in Forest Park with three five-race Series from April to October, featuring hilly courses of about 4 to 7 miles. Series standings require at least four races and the event benefits the Forest Park Conserv..

A mountain trail event on September 12, 2026 at Mt. Bachelor with loop races to the 9000' summit, distances from a Vertical Ascent 5K to a 50K, and a $10,000 prize purse for the 50K.

A point-to-point 50K on the Pacific Crest Trail from the South Washington Cascades to the Columbia River Gorge, including a viewpoint stop at Three Corner Rock. A portion of proceeds supports the Stevenson High School Cross Country Team.

A low-key evening trail race series in Forest Park with three five-race Series from April to October, featuring hilly courses of about 4 to 7 miles. Series standings require at least four races and the event benefits the Forest Park Conserv..

A 50K and a half marathon near Sisters Oregon with routes that showcase views of the Three Sisters and other Cascade peaks. The 50K reaches the Three Sisters Wilderness edge while the half marathon is point to point with a net downhill.

Mountain Lakes 100 is a 100 miles trail race on the Pacific Crest Trail between Mt Jefferson and Mt Hood near Olallie Lake Resort, featuring about 11,700 feet of elevation change, limited to 150 entrants, and with manual aid-station trackin..