Races›United States›Oregon›Mountain Lakes 100
Detroit, OR, seen from above
September 2027 · date to be announced

Mountain Lakes 100

Detroit, Oregon · United States
MountainMountains95% trail

A Pacific Crest Trail 100 between Mount Jefferson and Hood

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Course

A single ~101-mile loop from Olallie Lake Resort on the Pacific Crest Trail between Mt Jefferson and Mt Hood: 96 miles of singletrack and 5 miles of jeep and gravel road, with technical rocky sections between 3,300' and 5,700'. 14 aid stations, crew access at Olallie Lake, Clackamas (miles 40 and 72) and Olallie Meadows; 8:00am start, 30-hour limit.

100 Mile100 mi

Key dates

Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.

About

A single-loop 100-mile race starting and finishing at Olallie Lake Resort in the Oregon Cascades. About 96 of the 101 miles are singletrack with technical, rocky stretches, running between 3,300 and 5,700 feet of elevation. The course is supported by 14 aid stations, with crew access at four points and a 30-hour finish limit.

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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.