Saturday, September 12, 2020

All ages and abilities are welcome.

Time trial and self seeded start for all triathlons.

Wear your timing chip on your LEFT ankle for triathlons.

Cash/check only on race day registrations.

Upon registration, you agree to the MMR Race Policies.

Women's shirts are fitted and run small; men's are generously sized. Registrations 2 weeks or less from event will receive shirt in the mail 3-4 weeks after race and are not guaranteed requested shirt size; if size is unavailable, additional options will be discussed with you.

Price increase reflects the cost of shipping shirt post-race

Results provided by

Professional photographer will be on site for every race at no additional cost to the participants. Our photographer will make every effort to capture shots of each athlete, but we cannot guarantee that every athlete will be photographed.

10% military discount | Fill out paper registration and include check less 10%

15450 Square Lake Trail, Stillwater, MN 55082

Join us for the final long-distance race of the season...

at gorgeous Square Lake Park! Square Lake Park is loved by all of the local triathletes for its pristine waters and stunning Stillwater horse country landscape. The course is heavily supported with aide stations on the course (including bacon for those who are tired of taking in the sweets) and recovery support after the race.

  • Race Options

    • 70.3 | 1.2 mile swim, 56 mile bike, 13.1 mile run

    • Aqua | 1.2 mile swim, 56 mile bike, no run

  • Take on any race option as a relay team

  • Professional photography

  • Several aide stations featuring Hammer electrolytes

  • Bacon featured at a few aide stations, because everything is better with bacon

  • Final long-distance course of the triathlon season

  • Set in gorgeous, pristine Square Lake Park 

  • Parking | $7 for a 1-day parking pass

  • Square Lake 70.3 is the 3rd race in the Challenge Series

Thursday and Friday, September 10-11

11:00am until 5:00pm at NOW Bikes in Arden Hills 

Saturday, September 12

 6:00am at Square Lake Park before the race

Your race packet will include all the materials you need for your race: race bib, timing chip, and some fun items like your event shirt (if you select shirt and medal option) and special offers. Those registered will receive an email on the Monday prior to the race with all the details, any course updates, and an age group breakdown by race category.

5:00am | Park and parking lots open (parking NOT included in the registration fee - $7 at the gate unless you have a county parking pass)

5:00am | Race day registration and packet pick-up open

5:00am | Transition area opens

6:30am | Registration closes

6:35am | Race announcements (at transition)

6:45am | Transition area closes

7:00am | Race starts

8:10am | Swim cut-off

12:00pm | Bike cut-off

11:30am | Barbecue

1:30pm | Awards

3:00pm | Course closes

  • Top overall male and female athletes

  • Top 3 male and female athletes in each age group (19 and Under, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70+)


1st, 2nd, and 3rd place age group winners will receive an age group medal. Overall male and female winners are not eligible for age group awards (no double dipping).


**Must be present to win. If you want your award and can't stay, shipping cost is your responsibility.**

Race Square Lake 70.3?

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