Updated January 19, 2025
The 15th annual High Cascades 100 is a classic endurance mountain Bike race in the mountain mecca of Bend, Oregon. Mudslinger Events produces the race and is part of the National Ultra Endurance Series. The High Cascades 100 is Mudslinger's pinnacle MTB event at 100 miles and just under 10,000 feet of elevation gain. It is an event that the team at Strambecco considers one of the best mountain bike events in the Northwest.
The course design for High Cascades 100 is well thought out and was created to avoid the 8-foot snowbanks in the high mountains. It has resulted in one of their most technically demanding courses, offering breathtaking views, challenging terrain, and more throughout 100 miles. Check out the course map below.
High Cascades 100 is a premium event that looks at the quality of aid stations, merch, and overall perks. Four fully stocked aid stations are kitted out with Hammer Nutrition, and Sagebrush Cycles provides mechanical support. An event participant exclaims, "Thanks for putting on a great race. At no point did I feel lost or question what direction to go." The aid stations were perfect. Best race I have ever done." Being such a well-organized event, there are some excellent merchandise options to remember the suffer-fest, ranging from race-designed jerseys, bibs, socks, button-down tops, and hats. You can sign up for multiple event categories around the 100-mile main course. There are the Open Men, Veteran Men (40-49), 50+ masters men, 60+ masters Men, Single Speed, and the same for the women with open and 40-49, 50+ masters categories, respectively. Refer to the official 2023 Tech Guide for all of the nitty-gritty details for the event.
About the National Ultra Endurance (NUE) Series
The National Ultra Endurance (NUE) MTB Series is one of the premier mountain biking race series in North America, dedicated to ultra-distance mountain biking enthusiasts. The series is composed of Epic Series events, which are grueling 100-mile races, and Marathon Series events, which are 50-mile to 100k length races. Each race/event challenges riders' endurance, technical skills, and determination on some of the country's most scenic and rugged courses. The NUE Series was established in the early 2000s to provide a competitive long-distance mountain biking platform. Its goal was to elevate ultra-endurance mountain bike racing and build a community of athletes passionate about pushing their limits. Over the years, it has expanded to include multiple events spanning diverse terrains across the US and several global locations. In 2025, the Series final takes place at the Oak Ass 100/50 in Alabama.
Participation in individual NUE events is open to all riders, but registration fills quickly due to the series' popularity. Riders must complete at least three events to qualify for overall series rankings, with points awarded based on finishing positions and the best four results counting toward their total score. Categories include Open Men, Open Women, Master 50+ Men, Master 50+ Women, and Singlespeed, with all participants required to meet strict time cutoffs to be considered finishers. The series offers significant rewards, including cash prizes, custom jerseys, trophies, and recognition for top finishers, while providing a platform for riders to gain exposure, attract sponsorships, and join the ranks of endurance mountain biking legends.
The National Ultra Endurance MTB Series is not just about racing—it's a celebration of mountain biking culture, showcasing breathtaking courses, fostering community, and pushing the boundaries of what riders can achieve. Whether you're a seasoned pro or an aspiring ultra-endurance athlete, the NUE Series offers an unforgettable experience. You can see the full roster of NUE events Strambecco's Series Page here with full reviews.
About Bend Oregon
Bend is known as an outdoor mecca with stunning natural beauty and endless recreational opportunities, whether you’re seeking adventure, scenic beauty, or simply a chance to connect with nature. For those who enjoy hiking, it is surrounded by a multitude of trails perfect for hiking and trail running, ranging from easy strolls to challenging climbs. The Deschutes River Trail, Tumalo Falls, Smith Rock State Park, and the Cascade Lakes Scenic Byway are just a few examples of popular spots. Outside of the event itself, Bend has earned a reputation as a premier destination for mountain biking. Phil’s Trail Complex, Wanoga Trailhead, and the North Fork Trail are highly regarded, offering various levels of difficulty and stunning views. Lastly, The Deschutes River, which runs through Bend, provides ample opportunities for outdoor water activities. Whitewater rafting, kayaking, stand-up paddleboarding, and fly fishing are popular choices. The Bend Whitewater Park, located in the heart of the city, is a great spot for kayaking and river surfing.
Related Events
Mudslinger Events was formed by Michael Ripley, an enthusiastic mountain biker who grew up in Eugene, Oregon. The organization brings people together to explore the gorgeous outdoor areas of Oregon. Having been run since 1987, Mudslinger Events brings back a vintage atmosphere to Mountain Biking and cross-country racing. They organize some of the Northwest's best mountain bike and gravel race events. Their entire roster includes Mudslinger XC, Sisters Stampede, Oregon 6, High Cascades 100, and Ring of Fire. Many events are considered the Best Mountain Bike Events in the Northwest.
Mudslinger also produces The Oregon Triple Crown Series, a series of 6 premiere gravel and mixed surface events. The full roster includes Real West Gravel (March), Sasquatch Duro (April), Oregon Coast Gravel Epic (May), West Coast Gravel (May), Oregon Gran Fondo (May), and Takelma Gravel Grinder (June). These are also top events in the area and ones that the team at Strambecco considers some of the Best Gravel Cycling Events in the Northwest.
