Plain 100 Mile Endurance Run
⚠️ 2027 edition: provisional information
The date is estimated from the 2026 edition (September 19, 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
Races on the programme
| Race | Distance | Elevation gain |
|---|---|---|
| 100 Mile | — | 21,001 ft |
| 100K | — | — |
About
The Plain 100 Mile Endurance Run runs on trails and forest roads through the Cascade Mountains near Plain, Washington, across the Lake Wenatchee, Entiat, and Chelan ranger districts. The course covers 75 miles of trail and 25 miles of forest road, entirely through remote, isolated terrain, with a 100K option also on offer.
Expect roughly 21,000 feet of both climbing and descending over the full 100 miles. Train for a steep, demanding course set against genuinely beautiful mountain scenery in the heart of Washington's Cascades.
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Races nearby
Other upcoming races around Plain.
Leavenworth Fightfighter Challenge
Apr 24, 2027 · Leavenworth, WA · 13 mi away
6.2 mi
Mad Meadows 50
Oct 9, 2027 · Leavenworth, WA · 14 mi away
31.1 mi · 50 mi
Leavenworth Marathon
Oct 2, 2027 · Leavenworth, WA · 14 mi away
13.1 mi · 26.2 mi
Echo Valley
May 29, 2027 · Manson, WA · 29 mi away
6.2 mi
Wenatchee Marathon
Apr 17, 2027 · Wenatchee, WA · 29 mi away
26.2 mi · 13.1 mi · 6.2 mi · 3.1 mi
Coal Miner
Sep 11, 2027 · Roslyn, WA · 43 mi away
50 mi