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Waldo 100K

Oakridge, United States • 2 Aug 2025

The Waldo 100K Ultramarathon is a challenging race set in Oakridge, Oregon, featuring a 100K loop course that begins at the Willamette Pass Ski Area. Participants will navigate through rugged terrain, climbing several mountains and enjoying stunning views of Waldo Lake. This event is designed for experienced ultrarunners, as the route includes remote sections and primarily single-track trails. Registration for the lottery opens from January 1 to January 21, 2025, with an entry fee of $175. The event also supports sustainability through the Trail to Zero™ program, allowing participants to contribute to carbon offset initiatives. Visit the organization's website for the most recent information.

United States Oregon Oakridge

Race information

Website
UTMB 100K
100 km
2890 m+
Waldo 100k
Visit the organization's website for the most recent information.
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