The lifts have barely stopped turning, but local athletes are already gearing up for summer race season. From mountain trail runs and road races to mountain bike events, the schedule is packed with chances to explore some of the Southwest Montana’s steepest and most scenic terrain. These races are popular and fill quickly, so register early. Miss the deadline? Spend the summer previewing the courses and get a head start on next year!

Bozeman Triathlon

June 15, 2025

Course Lengths: Olympic, Sprint & High School State Championship, Aquabike, Aquathlon, Super Sprint & Youth

Whether you’re into triathlons or biathlons, the Bozeman Triathlon offers something for everyone. The course winds through North Bozeman, combining residential streets with scenic biking and running trails, plus a swim to round it all out.

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13th Running of The Bangtail Divide

July 5, 2025

Course Length: 38K

Enjoy spectacular views of the Bridger Mountain Range as you run along old jeep roads with an excellent ridgeline traverse and fields of wildflowers. A popular trail for both trail runners and mountain bikers, this course includes well-crafted single tracks.

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Jim Bridger Trail Run

July 19, 2025

Course Lengths: 5K, 10 miles

This iconic course features a scenic loop starting close to the Sypes Canyon trailhead that continues up into the canyon and across private property, only available to the public on race day. With the addition of a 5K course this race is a great way to get out and see new parts of Bozeman!

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The Ed Anacker Bridger Ridge Run

August 9, 2025

Course Length: 19.9 miles

The Bridger Ridge Run is known as one of the most technical trail runs in the U.S. The course, known for its 20 miles of climbing and descending, plus wide-open exposure, runs along the ridge of the Bridger Mountain range. It may be challenging, but it’s absolutely gorgeous! 

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Big Sky Biggie

August 23, 2025

Mountain Bike Race

Course Lengths: 60-mile, 30-mile, 15-mile

A Public Benefit Corporation, Big Sky Biggie, exists to raise awareness and funds for the mountain bike trails in Big Sky. This is a race the whole community gets behind! 

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Bozeman Half Marathon & 10K

September 7, 2025

Course Lengths: Half Marathon, 10K 

It’s hard to imagine a more scenic course. This race winds through open farmland, crosses babbling streams, and offers sweeping 360-degree mountain views that capture the essence of Big Sky Country. The grand finale? A finish on Bozeman’s historic Main Street, right in the heart of the Gallatin Valley.

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The Rut Mountain Runs

September 12-14, 2025

Course Lengths: Trifecta, 50K, 28K, 21K, 11K, Lone Peak Vertical Kilometer – 4.6K

Reaching the top of Lone Mountain is an accomplishment you won’t forget! Nor will you forget the rugged path that got you there. Looking to test your endurance? Take on the Rut Trifecta—three races in three days.

Register Here