September ultramarathons in United States (Pacific North West)

Remote Washington Cascades route through Gifford-Pinchot National Forest, deep valleys, wildflower ridges, over 26,000 feet of ascent and descent

Flat 3.1-mile loop on gravel, dirt, grass, and paved surfaces at Kearin Family Farm, with central aid and easy crew access for ultradistance challenges.

Timed ultra on a 1-mile loop at Donald Farm, shifting from Warrior Expo crowds by day to a quiet overnight test of persistence.

Last person standing format on a 4.167-mile loop each hour, emphasizing endurance, mental grit, and camaraderie until only one runner remains.

Shared 29-mile opening through Portland streets, bridges, waterfronts and Forest Park, with a self-navigated option extending beyond 50 miles

Hourly 4-mile trail loops with elimination, continuing until only one runner remains

Rugged point-to-point course from Williams to Ashland, single track and dirt roads, over 20,000 feet of elevation change, Siskiyou Mountains vistas

Olympic Adventure Trail route featuring forested paths, gravel roads, Kelly Ridge traverse, and a Lake Crescent finish inside Olympic National Park.

Pacific Crest Trail routes with South Washington Cascades views, panoramic vistas from Three Corner Rock, Indian Heaven Wilderness, and huckleberry descents

Unmarked, minimally supported 51-mile mountain route from Roslyn over rugged ridges and valleys, 10,000+ feet of climbing, remote forest scenery

Volcanic alpine terrain, panoramic views, challenging 50K loops ascending to Mt. Bachelor’s 9000-foot peak

Demanding 2-mile loop with 320 feet of elevation gain per lap on varied terrain, 24-hour and 12-hour ultramarathon options, open field event hub with full aid

Point-to-point 50k on Pacific Crest Trail singletrack, from South Washington Cascades toward the Columbia Gorge, with climbs, descents, and volcano views

High Cascades trails with alpine meadows, Ponderosa Pine forests, wildfire regrowth, mountain stream crossings, and Three Sisters peak views

85 miles of rugged Cascade singletrack and 20 miles of remote forest service roads, 21,000 feet of elevation, self-supported format, mountain vistas

Remote, demanding mountain ultramarathon starting and finishing at Jug Mountain Ranch, featuring rugged terrain and long stretches between aid stations

Point-to-point 100 miler in Oregon’s Cascades: mostly Pacific Crest Trail, technical singletrack, alpine lakes, rocky stretches, and big elevation change.

Rugged 50k trail featuring varied terrain through forests, open fields, and rolling hills with technical sections and scenic vistas