When is Plain Endurance Runs?

Plain Endurance Runs takes place on Sep 19, 2026. That's in 3 months.

Where is Plain Endurance Runs located?

Plain Endurance Runs is held in Plain, Washington, United States.

What distances are available at Plain Endurance Runs?

Plain Endurance Runs offers the following distances: 100M, 100K.

What is the typical weather for Plain Endurance Runs?

Based on historical data, you can expect temperatures between 50°F and 77°F on race day. There's approximately a 2% chance of precipitation.

Plain Endurance Runs (100K-100M) - Sep 19, 2026 | Plain, WA

Prepare for an unparalleled challenge at the Plain Endurance Runs on September 19, 2026, held amidst the remote USFS trails and roads of Plain, WA. This event, nestled in the scenic Cascade mountains near Lake Wenatchee and Leavenworth, offers formidable 100-mile and 100-kilometer distances designed for the truly self-sufficient ultrarunner. The course demands respect, featuring approximately 85 miles of technical trails and 20 miles of forest service roads, with a staggering 21,000 feet of elevation gain and loss for the 100-mile distance, reaching a high point of 7000 feet. Expect breathtaking scenery, including vast views, high meadows, and numerous creeks, though runners must be prepared to source their own water from these natural supplies. Typical race day conditions in mid-September bring comfortable highs around 77°F and lows around 50°F, with a minimal 2% chance of precipitation.

The Plain Endurance Runs are renowned for their "Plain tough" reputation, an ethos that eschews traditional race support. This is a genuinely self-supported event; there are no pacers, no course markings, and no aid stations in the conventional sense. Instead, runners navigate the unmarked course using maps and directions or GPS, relying solely on their own abilities and gear. The 100-mile race consists of two distinct lollipop loops, with the 100K covering the first loop. The one exception to the self-supported rule is a crucial resupply point at Deep Creek, marking the turnaround for the 100K and the end of the first loop for 100-milers. Here, participants can access personal support before embarking on the formidable second half of the 100-mile journey. Search and Rescue checkpoints are strategically placed for safety and tracking, requiring runners to provide a bib number and password.

Since its inception in 1997, the Plain Endurance Runs have cultivated a unique and challenging legacy, with early years seeing very low finisher rates. Today, roughly 50% of participants conquer the course, which has remained unchanged, allowing runners to test themselves against decades of history. Finishes are celebrated not with medals, but with a coveted hand-painted rock. This non-profit event proudly donates all proceeds to local Search and Rescue and military veteran support groups, making your arduous journey contribute to a greater cause. Runners consistently praise the friendly, low-key organization and the profound sense of accomplishment derived from facing such a demanding and solitary course. If you're seeking the ultimate test of endurance, navigation, and self-reliance, the Plain Endurance Runs offer an unforgettable adventure into the heart of the Cascade wilderness.