Eighth Annual | Olympic Distance Triathlon



1.5 km two-lap triangular course in Flathead Lake



40 km loop course through the valley southwest of Polson



10 km single loop course through scenic Polson


2021 Registration Opens June 1

2019 Polson Triathlon Results

The Polson Triathlon returns on Saturday, August 21, 2021

Thanks to so many energetic volunteers, generous sponsors, and determined racers, we had another great event this  year and our local group of dedicated race organizers are inspired and committed to raising the bar again in 2021.  The word is spreading that this is one of the very best regional multi-sport events so we know that it will continue to grow and reward participants with an unforgettable Montana racing experience.  Whether you are an experienced veteran or intimidated beginner, we hope that you will make the trip to Polson and take the plunge in 2021.

Event Highlights:

  • Unforgettable venue with lake, mountains, and expansive valley vistas
  • Challenging course with a great mix of hills, turns, and fast flats
  • Well-organized support with enthusiastic volunteers and aid stations
  • Bridge top spectating along the swim course
  • Safe, low traffic roads on a loop bike course
  • Single loop run with varied terrain and a downtown, Main St. finish line
  • Post race picnic for all racers, music, and a riverside award ceremony
  • Prize money, special awards, and great souvenir goodies

Most Recent Updates

Stay up-to-date with the latest news about the 2021 Polson Triathlon!

Kids Mini Triathlon

Once again, we will be staging two mini triathlons for the kids in Polson this year.  They will include a shorter event for racer age 8 and under, and a longer option for the 9 and over group.  Bring your gear and look for a sign-up list starting around 11:30 as the adult race is […]

Swim Course Preview

Our local Mission Valley Rounders triathletes will be gathering this Wednesday morning at 6:30 am at Riverside Park for a group swim preview of the Polson Tri course.  Everyone is welcome to join us for a chance to try out the loop and practice your dock run and dive technique.

Final Day To Register

Tuesday, Aug. 16 is the final day to register for the 2016 Polson Triathlon.  Online registration closes at midnight and there will be no entry after that.  Pass the word to any of those champion procrastinators out there.

Full 2015 Split Results Posted

Here are the full electronic results from the race today including all five splits for almost all participants.  They Timed Sports results have also been updated to show these splits. WomensResults15 MensResults15 RelayTeamResults15