Trail Running calendar near Gresham 2025-2026

We have found 33 Trailruns within 80 miles of Gresham. See below where and when you can find the races.

Run Volcanic, a rugged trail race on Mt. St. Helens with 50K and 25K courses through boulder fields, river crossings and blast zone terrain. Start and finish at Marble Mountain Sno Park for a true backcountry challenge.

The Bigfoot 200 is a nonstop 208 mile ultramarathon through the Cascade Mountains around Mount St. Helens, featuring lava fields, ridgelines and old growth forests. Expect dramatic views, full aid and designated sleep stations.

Run the Bigfoot 20 Mile on August 14, 2026 in Cougar, WA, from Marble Mountain Sno Park. Enjoy 20 miles of scenic single track around Mount St Helens through lava fields, stream crossings and old growth forest within a 9 hour cutoff.

Wy'east Trailfest at Mt Hood Meadows on August 15 and 16 2026 features high alpine trail races. Distances range from a free kids run to a 50 miler with prize purses for select races, making it a must for trail runners.

The Post Canyon Half Marathon in Hood River, Oregon is a scenic and challenging trail half with big climbs, mountain views and creekside waterfalls. Expect rugged singletrack, supportive aid stations and unforgettable forest scenery.

Backcountry Rise takes runners into the Mt St Helens backcountry for scenic, rugged trail running. Race 50K, 20 mile, or half marathon loops at Coldwater Lake with aid, camping, and proceeds benefiting the Mt St Helens Institute.

September 2026

Run the rugged trails of the Dark Divide in Washington's central Cascades at the scenic Cispus Learning Center September 4-6, 2026. Choose from a 100 mile, 50K or 15 mile course across steep, technical singletrack.

Tackle the Mountain Lakes 100 mile trail ultramarathon in the Oregon Cascades, starting and finishing at Olallie Lake Resort. Run about 60 miles on the Pacific Crest Trail through technical rocky terrain, alpine lakes and sweeping mountain..

Join the 36th Three Course Challenge at Camp Rilea near Seaside Oregon, a spirited cross country meet for middle and high school runners celebrating the sport since 1990. Multiple scenic courses and lively weekend festivities make this a mu..

October 2026

Run spectacular waterfall trails at Silver Falls State Park Oct 16 to 18, 2026, with distances from a fun 5K to a challenging 50K. Expect muddy single track, creek crossings and breathtaking waterfalls that reward every step.

Autumn Leaves is a scenic fall ultrarunning event at Champoeg State Park near St Paul, OR offering 30K, 50K and 50M on a fast, mostly paved 10K loop with fall foliage and camping onsite. A free Kids Run adds family fun; bring a cup or hydra..