100mi ultramarathons in Oregon, United States in 2026

Point-to-point 100 mile course from Bend to Sisters with 10,900 ft of climb, scenic single-track, rugged terrain, and views beneath Mount Bachelor

100-mile lollipop-style mountain trail route, 17,700 feet of ascent and descent, varied Mt. Hood terrain, finish beneath the volcanic summit

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

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

Double out-and-back route on asphalt, gravel, and dirt trails with over 10,000 feet of elevation gain through Stub Stewart State Park and Vernonia Lake