Montana
Montana Triathlon Calendar 2025-2026
Monthly updates for Montana
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Montana for 2025-2026! Our updated list features 3 exciting races across the region. Find your next race in Montana below and join the running community at these great events!
June 2026
Join the ninth annual Bozeman Triathlon on June 14, 2026 at Glen Lake Rotary Park in Bozeman, MT. Tackle Olympic, Sprint, Super Sprint or Youth Splash and Dash courses, with Olympic and Sprint doubling as 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.
August 2026
Join the YFC Seeley Lake Triathlon and Duathlon with solo and team options plus kids races for ages 5 to 12. Swim open water, bike mixed roads and trails, and run shaded singletrack beneath old growth larch.