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 9 exciting races across the region. Find your next race in Montana below and join the running community at these great events!
November 2026
A super sprint distance triathlon at the Montana State Wellness Center on Nov 15, 2026 with a 400 yard swim, 8 mile stationary bike and 2 mile run; donation entry and 30 participant cap.
June 2027
A multi-distance triathlon event at Glen Lake Rotary Park on June 13, 2027, featuring Olympic, Sprint, Super Sprint, relays, and youth races.
Sprint triathlon at Whitefish City Beach featuring a 1/2 mile swim, 20K bike along the lake with 4 miles of hills, and a 5K two-lap run, offered individually and as a relay.
A multi-distance duathlon series plus a 5K at ZooMontana in Billings on June 27, 2027, featuring solo and two-person relay options and post-race awards.
July 2027
A community-focused women's triathlon in Helena with a 500 meter pool swim, a 10 mile bike course and a 3 mile run through local parks.
Monthly updates for Montana
Get new running races (and updates) in your inbox every month.
Olympic distance triathlon in Ennis, Montana with a swim in Ennis Lake, a bike leg that includes an 800 ft climb on Norris Hill, and a final 10 km uphill run to the Pony Bar.
August 2027
IRONMAN Montana in Great Falls on August 15, 2027 is an inaugural triathlon with a river swim, rolling bike and run courses and Kona qualifying slots.
September 2027
Sprint SUP triathlon near Echo Lake and Discovery Ski Area with a 10K mountain bike, 2K paddleboard and 6K run, open to individuals and two or three person teams.