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Waldo 100k Ultramarathon

August 2 All day

The Waldo 100K Ultramarathon kicks off right here at Willamette Pass Ski Area, taking runners on a demanding 100K loop through Oregon’s rugged Cascade mountains. Starting at 5,120 feet, this course climbs iconic peaks like Fuji, The Twins, and Maiden Peak before circling back to the ski area. The route weaves through mostly single-track trails, remote wilderness, and showcases sweeping views of pristine Waldo Lake.

This is not a beginner-friendly ultra. Participants should be well-prepared for the challenge. A portion of race proceeds directly supports the Willamette Pass Ski Patrol, helping us keep our mountain safe all winter long.

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