SWIM/HEAT ASSIGNMENTS: 750 Yards (15 laps)
Start and finish at the Bitterroot Aquatic Center. Swim will be set up in heats comprised of 2-4 entrants per lane, the first heat starting at 7:30 am sharp.   Heats will start based on a clock timer, not when everyone in the heat is ready, so know when your heat is on race day and be there, find your lane counter, and be ready 5-10 minutes before your heat starts.  Heat start times, and lane assignments will be posted on this website 24 hours before the triathlon, and on site on race day.

A) Heats preceding the Elite heats will be arranged according to predicted swim times. Please be as accurate as possible when predicting swim time! Efforts will be made to group participants in heats according to their respective age/team categories.
B) Men’s and Women’s “Elite Heats” --- The last two heats of soloists entries will be comprised of those who qualify based on overall predicted time and wish to be seated in the Elite Heat. In order to be included in Elite Heat one must check the box on the application and indicate an over-all race time of less than 1 hour 15 minutes for men and 1 hour 30 minutes for women.

  Bike course will be out and back along Tammany Lane towardmaking a loop through the Stock Farm Club. Bike course is mostly flat with a short hill. Use EXTREME caution at the Marcus Street/Eastside Hwy crossing.  You are biking through private property as a privilege, so be respectful.  Any littering will result in disqualification. 

  Run course will be a double loop around the Hamilton School - out and back on Silverberry, then right on Kurtz, left on Marcus, left on Freeze, left on Fairgrounds and back by the finish to do one more loop and then back to the finish line at the transition zone.  A flat and fast course. Race numbers must be worn on the front of the runners garment and visible at the finish line.
AWARDS: Individual age categories
  Awards will be presented to the top three male and female finishers in each of the following age categories: 18 and under, 19-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-69, 70+. The top three over-all male and female finishers will receive a special award.

  The Team competition will award the top three placers. There is only one team category that includes all teams - male, female and coed teams will be considered one competitive category for award purposes.

  All participants will be eligible for swag donated by local merchants.  Entrants must be present and participate to collect their swag bag and race jersy. No Race - No Swag! This has been the event policy since 2005.


Online registration will be open until the event is sold out or 2 days before the event whichever comes first. Once the event is full registrants will automatically go to a waiting list.

Entry fees are non refundable and considered a tax deductible donation to local nonprofit organizations supported by this event.

This event is 100% non-profit and put on entirely by volunteer efforts and sponsorship support. Any proceeds left over after covering the cost and overhead of the event and maintaining supplies and equipment needed for continuation of the event is donated to local youth focused charity organizations. Bitterroot Multisport Events is a 501c3 corporation and donations to the event or the organization are tax deductible.

If a participant drops from the event or is not going to participate their spot including their Jersey and Swag Bag will be forfeit and used to accommodate those on the waiting list or late entries to the event on race day.


Race packets (race numbers, race information) can be picked up at the Bitterroot Aquatic Center - Kurtz Lane, Hamilton, MT the Friday before the race between 4:00pm-6:00pm. Or at the Bitterroot Aquatic Center on race day starting at 6:30am.

Heat assignments and starting times will be posted approximately 24 hours before the race at A list will also be posted at the pool by Friday evening the night before the race.

A mandatory racers meeting will be held at 7:00am on race day. This meeting will cover race-day procedures and any other questions regarding the race.

For more information, call or email Mark Butler at or at 406-363-0514.

Awards/Post Party
  Post race food & beverage, music, awards and prizes will be held at the Aquatic Center.

  • Support crews will not be allowed on any portion of the event, including the transition area.
  • ANSI or SNELL approved helmets must be worn during the bike.
  • Wet suits are not allowed during the swim
  • No drafting in any way during the bike. Allow two bike lengths between riders. You may enter this space only when passing. If you cannot pass, you must drop back. Drafters will be disqualified.
  • Teams are required to hand touch in the transition area between incoming and outgoing team members.