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SQUARE LAKE 70.3

Saturday, September 12, 2026
Stillwater, MN Half-Distance Triathlon

Join us for the final
half-distance triathlon of the season

Experience a scenic 70.3 triathlon in Stillwater, MN, with a crystal-clear swim, challenging bike course, shaded run, full athlete support, and USAT-certified race standards. Where you can expect:

  • Scenic Half-Distance Triathlon Courses Set in Stillwater, MN

  • A Crystal-Clear Swim and Challenging Bike and Run Course

  • Quiet, Hilly Roads for an “Honest” 70.3 Experience

  • Full Athlete Support featuring Hammer Nutrition products

  • A Memorable Post-Race Barbecue

  • A professionally supported USAT-certified race experience

Square Lake 70.3
Event Highlights

  • Race Options

    • 70.3 | 1.2 mile swim, 57 mile bike, 13.1 mile run

    • Aqua | 1.2 mile swim, 57 mile bike, no run

  • Individual and relay team registration available

  • Self-seeded time trial swim start

  • Scenic open-water swim in Stillwater, MN

  • Shaded out and back run course

  • Run aid stations featuring Hammer electrolytes and gels every 1.5 miles

  • Coke, oranges and bananas at all aid stations on run

  • Minnesota’s final half-distance triathlon of the season

  • Set in gorgeous, pristine Square Lake Park

  • Professional photography at no additional cost to you

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

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True for All MMR Events

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 the requested size is unavailable, the next available size most closely matching the requested size will be substituted.

Price increase reflects the increased cost of the shirt (without a volume discount) and the cost of shipping shirt post-race

Results provided by www.frontrunnerusa.com.

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%. A copy of your  military ID should be included with the registration materials.

Location

15450 Square Lake Trail, Stillwater, MN 55082

Packet Pick-up

Saturday, September 12, 2026

 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 selected the shirt option), finisher medal, nutrition samples and special offers. Those registered will receive an email on the Monday evening prior to the race with all the details, any course updates, and an age group breakdown by race category.

Race Schedule

6:00am | Park and parking lots open (parking NOT included in the registration fee - $7 at the gate unless you have a county parking pass)

6:00am | Race day registration and packet pickup open

6:00am | Transition area opens

6:45am | Registration and Packet Pick Up closes 

6:45am | Race announcements (in 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

Awards*

  • 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 award ribbon they will attach to their finisher 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.**

This race is generously sponsored by:

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Why Athletes Love Racing Square Lake 70.3
in Stillwater, MN

Square Lake 70.3 brings together everything athletes look for in a late-season Minnesota triathlon: clear open water, a challenging yet rewarding bike course, a scenic run through Square Lake Park, and the welcoming race-day atmosphere MMR is known for. Whether this is your first half-distance triathlon or your season finale, this Stillwater event offers the perfect mix of competition, support, and unforgettable race-day energy.

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