Oregon Cascades 100

JUL
24-25
2027
Two point to point ultramarathons from Bend to Sisters offering a 100 mile and a 50 mile option, mountain trails, multiple aid stations and a 32 hour cutoff for the 100 mile.
24-25 Jul 2027
100 miles 50 miles

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Oregon Cascades 100 and 50

The event offers two point to point trail ultramarathons from Bend to Sisters, Oregon on July 24-25, 2027, running through Cascade trails and mountain scenery.

  • 100 mile from Bend to Sisters
  • 50 mile point to point from Swampy Lakes Sno Park to Sisters

The 100 mile course reports approximately 10,900 ft of climb and 11,400 ft of descent, with most climbing occurring in the first 100K. The route is about 78% single-track, 20% gravel or dirt road, and 2% pavement, and includes 12 full aid stations. The 100 mile race has a maximum allowed time of 32 hours, 1 minute and 18 seconds and serves as a Western States qualifier. Registered 100 mile entrants receive race amenities such as a marked point to point course, a catered post-race meal, live splits, a custom finisher buckle, and a hoodie.

The 50 mile course includes about 4,000 ft of ascent and 6,500 ft of descent and has 6 full aid stations. The pre-race one-way shuttle from Sisters to the 50 mile start is included with entry; a paid one-way shuttle from Sisters to the 100 mile start is offered for other entrants. Bib pickup and drop bags are mandatory on Friday July 23, 2027 from 3PM to 8PM; drop bags are not accepted after the deadline.

Registration fees vary by date with 100 mile entries ranging from $395 to $445 and 50 mile entries from $180 to $225. Post-race meals are included for runners and volunteers, and awards include a custom 100 mile buckle and podium prizes for top finishers. Visit the organization's website for the most recent information.

100 mi
100 Mile
50 mi
50 Mile

Events nearby

35th OXFORD Classic Community 5K in Drake Park, Bend, is a flat riverside loop open to all ages with free registration.
Mountain trail races on Mount Bachelor over October 3–4, 2026, including 6/12/24-hour summit loops and three looped courses. Chairlift use is included and multiple aid stations and lodge facilities support runners on alpine singletrack.
Experience a scenic autumn tradition in Bend with downhill courses and riverfront views. Choose between a half marathon, the historic Bigfoot 10k, or a family friendly 5k through the Old Mill district.
A fall trail running weekend at Suttle Lake, Oregon featuring 24 hour, 12 hour and 6 hour timed races on a 3.6 mile loop, free on-site camping, provided food, and basic facilities with portable toilets.
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