Sisters Stampede 2026

Sisters Stampede 2026

Presented by Mudslinger Events
Mountain Biking
Sisters, OR
May 24, 2026
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About This Event

Part of the prestigious Oregon XC Series since 2010, this Memorial Day weekend race caps participation at just 500 riders to preserve the pristine Peterson Ridge Trail System, maintained through the dedicated efforts of the Sisters Trail Alliance. The intimate field size creates a community atmosphere that sets it apart from larger commercial events.

Two course options cater to different ambitions: the 27-mile long course with 1,500 feet of elevation gain, and a 14-mile short course gaining 500 feet. Both wind primarily through rolling singletrack scattered with Central Oregon’s signature lava rock, offering technical challenges against the dramatic backdrop of the Three Sisters Mountains. The terrain demands bike handling skills while rewarding riders with some of the most scenic views in the Pacific Northwest.

The race format spans 33 categories with top-three awards in each, plus an overall $1,000 cash prize that adds competitive edge to the friendly atmosphere. Course layout varies from one to two laps depending on age category, and kids under nine race free, reinforcing the event’s family-friendly culture.

Post-race festivities center around Three Creeks Brewing, where all participants gather to celebrate their efforts. The celebration extends beyond the official party with Blazing Saddles Cycle and Supply Bike Shop hosting an annual block party that welcomes the entire riding community.

As one of six premier Oregon mountain bike events running March through June, Sisters Stampede occupies a sweet spot in the season when Central Oregon’s high desert climate provides ideal riding conditions and the surrounding wilderness shows off its spring colors.


Mudslinger Events

Event Organizer
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Mudslinger Events is a well-established organizer of some of the best mountain bike, gravel, and mixed-surface races in the Pacific Northwest. Founded by Mike Ripley, a passionate mountain biker from Oregon, Mudslinger Events has been a key player in the cycling community since 1987, bringing a vintage atmosphere to modern mountain biking and cross-country racing.

Prominent Events Organized by Mudslinger Events:

  1. Mudslinger XC
    • Description: One of the oldest mountain bike races in the Northwest, the Mudslinger XC has been a fixture on the Oregon cycling calendar since 1987. This race is known for its challenging courses that weave through the beautiful forests of Oregon, making it a must-ride event for mountain biking enthusiasts. It is part of the Oregon XC Series.
    • Link: Mudslinger XC Details
  2. High Cascades 100
    • Description: This is the ultimate endurance mountain bike race, covering 100 miles with nearly 10,000 feet of elevation gain. Held in Bend, Oregon, the High Cascades 100 is part of both the Oregon XC Series and the National Ultra Endurance Series, attracting top riders nationwide. The race is known for its demanding course and stunning scenery.
    • Link: High Cascades 100 Details
  3. Oregon 24/12
    • Description: An overnight mountain biking event in Bend, Oregon, where participants can ride for either 24 or 12 hours. The event is part of the Oregon XC Series and is beloved for its challenging course and vibrant community atmosphere. Riders can choose to compete solo or in teams, making it a versatile and exciting challenge.
    • Link: Oregon 24/12 Details
  4. Oregon Triple Crown Series
    • Description: A series of five premier gravel and mixed-surface events, including the Oregon Coast Gravel Epic and Sasquatch Duro. These events are recognized as some of the best gravel races in the Northwest, offering a variety of terrains and challenges for gravel enthusiasts.
    • Link: Oregon Triple Crown Series Details

Mudslinger Events continues to thrive, offering a range of well-organized and highly regarded races that attract cyclists from across the country, with each event providing a unique blend of challenge, community, and natural beauty.  You can also view all of Strambecco’s Best-in-Class events covering the Northwest including Road, Gravel and MTB events.

Also presented by
Oregon XC Series

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