January ultramarathons in Washington, United States

Loop course on uneven, muddy winter trails at Bridle Trails State Park, shifting from daylight to night

Four 7.75-mile loops around Pullman on a scenic winter course through the Inland Northwest

Mountain ascent on a cold, wet, and rugged course through scenic terrain; endurance-focused route reflecting Olytrailrunners tradition

Scenic double out-and-back on Kirkland Corridor Trail with frequent runner sightings and easy aid station access

Rugged coastal trails, steep cliffs, dense forest, and Deception Pass Bridge crossings with technical footing and scenic vistas