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Welcome to Oregon Cascades 100, Oregon's most popular 100 mile trail run. This point-to-point hundo will take you from Bend to Sisters - two of Oregon's premier running towns - where the trails (and beer) are the best anywhere! 

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The race has roughly 10,700 ft of gain and 11,200ft of loss. Don't let the elevation gain fool you...it's packed into the first 100K of the course making this easy-on-paper race much harder than expected! The Bend side offers smooth, flowing single track in the shadow of Mount Bachelor before dropping onto some rugged terrain as you begin your descent into Sisters country. The course consists of 84% single-track trails and 13 full aid stations with awesome single track trails and views. You will have 32 hours, 1 minute and 18 seconds to finish. The 100 mile race is a Western States qualifier!

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NEW 50 MILE DISTANCE!! A classic point-to-point 50 mile course with 4000ft of gain and 6500ft of loss with 5 aid stations and consisting of 85% single track trails and 15% gravel road, will make for fast times! You will have 16 hours to finish. 

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DATE

August 23-24, 2025

(The 50 mile starts on August 23)

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START LOCATIONS

100 MILE

Pacific Crest Middle School

Bend, Oregon

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50 MILE

Swampy Lakes Sno Park

Bend, Oregon

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FINISH LOCATION 

Sisters Middle School

Sisters, Oregon

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SHUTTLE - 100 MILE

We will be offering a one-way shuttle from the finish (in Sisters) to the start in Bend race morning. This will allow your car to be at the finish when you complete the race. The cost will be $35 per person. The shuttle isn't required for runners but for those who are coming to the race alone. The shuttle will leave at 4:30AM sharp from Sisters Middle School on race morning. You can purchase a shuttle ticket on Ultrasignup when you register for the race. Please know that tickets are non-refundable as the shuttle is reserved many months in advance.  

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SHUTTLE - 50 MILE

This shuttle is free for 50 mile runners. The shuttle will leave at 8:30AM sharp from Sisters Middle School for the hour drive to the start at Swampy Lakes Sno Park. 

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BIB PICK-UP & DROP-BAGS - MANDATORY FOR BOTH DISTANCES

Friday, August 23 from 4PM-7PM at Sisters Middle School Gym

Deadline for drop bags is 7PM.

No drop bags will be accepted after this time.

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No day of race bib pickup. Please bring drop bags to bib pickup. 

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RACE START TIMES

6AM - 100 MILE

10AM - 50 MILE

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REGISTRATION

100 MILE*

$375 -November 1-December 31

$395 - January 1-April 30

$430 - May 1-August 17

No day of race registration

*adidas Terrex Technical tee included with your registration*

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50 MILE*

$165 - November 1 - December 31

$185 - January 1 -April 30

$195 - May 1 - August 17

No day of race registration

*shuttle ride to start included with your registration*

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POST-RACE 

ETA will be serving a post-race meal beginning around midnight with items transitioning from the night into the morning and afternoon (dinner/breakfast/lunch) for runners & volunteers. We will also have coffee from Backporch Coffee RoastersExtra meal tickets for pacers/crew are available for purchase on Ultrasignup. 

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AWARDS

Each 100M official finisher will receive a sweet buckle and 50M will receive a custom medal.

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ACCOMMODATIONS

Our official lodging partner is Left Coast Lodge located in Sisters 1.5 miles from the finish. We have partnered with Left Coast Lodge to offer runners a post race recovery zone, access to their communal spaces, hot tub/cold plunge and more! Stay tuned for details in pre-race info.

Additionally there are numerous options in Sisters and Bend.

Allow 30 minutes travel time between Bend and Sisters.  

Nearest airport is Redmond (RDM).

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WEATHER

As with any race in the mountains, the weather can change quickly. Be prepared for all conditions and check the weather a few times within the week leading up to the race. Sisters, Oregon weather.

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SUNRISE/SUNSET TIMES

6:18AM & 7:58PM

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