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Plain Endurance Runs

Leavenworth, United States • 13 Sep 2025

Plain Endurance Runs take place in Plain, a town in Eastern Washington. The event offers two options: the Plain 100, a two-loop course, and the Plain 100K, a single loop. In this ultra, you face the course with minimal support: no pacers, no course markings, and no aid stations; volunteers staff checkpoints but you rely on your own judgment and endurance.

The atmosphere is famously austere and demanding—often described as 'Plain tough' and compared to climbing Mt. Everest without supplemental oxygen. Historically, finishers were few at first, but now around half of entrants finish.

The event occurs September 13, 2025. Visit the organization's website for the most recent information.

United States Washington Leavenworth

Race information

Website
100 km
Plain 100k
Visit the organization's website for the most recent information.
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