Montana
Montana Triathlon Calendar 2026-2027
Monthly updates for Montana
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Montana for 2026-2027! Our updated list features 8 exciting races across the region. Find your next race in Montana below and join the running community at these great events!
June 2026
Stampede Duathlon on June 7, 2026 at ZooMontana in Billings features multiple run, bike, run distances including sprint and standard options. A portion of proceeds supports ZooMontana's on site veterinary clinic and animal health center campaign.
A kayak triathlon at Lake Frances in Valier, Montana combining a 1.5 mile paddle, 12 mile bike and 3 mile run; open to individuals and two or three person teams, with proceeds supporting local recreation.
Experience the Bozeman Triathlon at Glen Lake Rotary Park featuring Olympic and Sprint distances that serve as the Montana State Championships. Options include relays, a Super Sprint for beginners, and a youth aquathlon.
This sprint triathlon in Whitefish, Montana, features a half-mile lake swim, a 20K bike ride along the lake, and a two-lap 5K run. Participants can compete individually or as part of a team relay. The event starts and finishes at Whitefish City Beach..
July 2026
Swim in a spring-fed lake, bike on newly paved roads, and run a flat trail course at Spring Meadow Lake State Park. Choose from triathlon, aquabike, duathlon, or a 5K fun run. Your registration supports local charities.
A community triathlon in Helena with a 500 m pool swim, a 10 mile bike on mixed surfaces, and a 3 mile run. Offers individual, team, youth, and U19 team categories and supports local women focused organizations.
August 2026
A triathlon and duathlon at Riverpoint Campground in Seeley Lake on August 1, 2026, with multiple swim distances, team options, and kids races. Courses include open water swims, a wooded three mile run trail, and a 7.8 mile mixed surface bike route.
Join the 18th Annual Race Montana Triathlon and Duathlon in Great Falls for a variety of pool based races. Enjoy flat courses and free race day entry to the Electric City Water Park for all athletes.