Winter ultramarathons in Oregon, United States

3.33 km loop course on asphalt and gravel with two climbs per lap, 120 feet elevation gain, start and finish at the bottom of the soap box derby hill

Flat single-track trails alongside the Willamette River, looped course with tranquil river views and smooth, approachable terrain

Scenic Oregon coast 50K with coastal trails and post-race potluck at Yachats Commons

Scenic southern Oregon Coast course following Cape Arago Highway, rolling hills with 2000 feet of gain, ocean views, mostly paved with some gravel

Two-loop 50K course around Henry Hagg Lake with muddy trails, lake views, and early-season conditions in Scoggins Valley Park, Oregon.

50K loop around Hagg Lake near Gaston, with sweeping lake views, muddy singletrack, slick footing, and a classic winter trail atmosphere.

Flat, single-track loop course along the Willamette River with wooded sections, potential stream crossings, and gentle terrain over six laps