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 10 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 24 hour bike and running event at Elk Basin Recreation Area in Belfry, Montana, with solo and team options plus a new 8 hour solo race. Course loops are about 9 miles for bikes and about 6 miles for runners, with meals, camping, and live music.
Join the scenic Bozeman Triathlon at Glen Lake Rotary Park for a day of swim, bike and run action with Olympic, Sprint and youth courses plus relays for teams. The Olympic and Sprint races double as the 2026 Montana State Championships.
Take on a scenic sprint triathlon at Whitefish Lake on June 27, 2026, with swim, bike and run along the lakefront and beach. Enter solo or as a team relay and join athletes aged 13 to 99 for a fun community race.
July 2026
Take on the Helena Outdoor Triathlon at Spring Meadow Lake in Helena on July 12, 2026, with races from super sprint to Olympic, a 5K fun run and virtual options. Friendly course, great support, medals and awards for finishers.
August 2026
Take on the YFC Seeley Lake Challenge on August 1, 2026 at Riverpoint Campground with swim, bike and trail run options for solo, team and kids. Enjoy open water swims and scenic runs through towering old growth larch.
A multi‑event triathlon and duathlon at Electric City Water Park in Great Falls on August 22, 2026, featuring sprint, youth, team, and duathlon distances with pool swims, road bike routes, and free afternoon water park entry for participants.
September 2026
Disco PBR is a sprint SUP triathlon in Anaconda, MT, combining a 10K mountain bike, 2K paddleboard and 6K run around Echo Lake and Discovery Ski Area. Open to ages 10 to 100, it delivers scenic, action packed fun for all levels.