Trail

Waldo 100k

📅 July 31, 2027 (estimated date)📍 Oakridge · United States🏅 since 2002

⚠️ 2027 edition: provisional information

The date is estimated from the 2026 edition (August 1, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.

Available distances

62.4 mi

Races on the programme

Race	Distance	Elevation gain
Waldo 100k	62.4 mi	16,798 ft

About

The Waldo 100k is a 100K trail ultramarathon in Oakridge, Oregon, held on July 31, 2027. Covering about 62.4 miles (100.5 km) with roughly 16,800 feet (5,120 m) of elevation gain through the wilderness, it is an ambitious endurance challenge aimed at experienced runners looking to test themselves over a long distance.

The route follows demanding forest trails through the unspoiled natural setting of Oregon.

Highlights

Forest
Off-road

D-286

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Races nearby

Other upcoming races around Oakridge.