Unique Cities
One Vision
One Community

Our Mission

By Supertri is here to ignite the competitor in everyone. Whether you're taking on your first race, teaming up for a relay, or chasing a new personal best, our events welcome all. We’re dedicated to delivering world-class race experiences that go beyond the finish line—fostering community, celebrating achievement, and inspiring lifelong passion for the sport.

By honoring the rich legacy, local traditions, and iconic names of mass participation triathlons, we blend history with innovation to create events that are as unforgettable as the athletes who take part.

by Supertri Cities

Experience the USA's largest triathlon as you race across the Windy City. Experience the swim in Lake Michigan, bike iconic downtown streets, and finish your race with an epic run to the finish.

EXPERIENCE CHICAGO

Race the proposed course of the 2028 Los Angeles Olympic Games. Set a personal record or experience your first triathlon with a sheltered ocean swim, breezy bike, and bayside run.

EXPERIENCE LONG BEACH

La première édition du Toulouse Triathlon aura lieu le dimanche 5 octobre 2025 et comprendra des courses de distance S et M.

S'INSCRIRE !

Swim in Lady Bird Lake, ride straight into the heart of Austin, and finish with a picturesque run through Butler Park.

EXPERIENCE AUSTIN

Welcome to the most scenic triathlon in Texas! Soak in the beautiful views, multiple distances, and get ready for the ultimate after-party - floating in the Guadalupe!

EXPERIENCE KERRVILLE

Redefining Short Course

"We are shaping the future of triathlon by linking professional racing with mass participation. Through By Supertri, we cater to experienced athletes who want to go fast while also inspiring first-time participants to become lifelong competitors. They are motivated by the race experience and being part of the Supertri community that inspires and connects them.

By bringing together high-impact urban events with strong growth potential under one banner, By Supertri transforms the sport. We are dedicated to enhancing the race experience, making it unforgettable and highly attractive, drawing more people into the sport of triathlon." - Michael D'Hulst, Supertri CEO

RELAY TEAMS

Swim, bike, or run—pick your strength and leave the rest to your teammates! Create a relay team and conquer the course together.

CLUB PROGRAMS

Come together with your tri club to swim, bike, and run through some of the most epic cities. The more athletes you bring along - the better your club benefits, including bulk ticket discounts, private club events and complimentary finish fest space.

CHARITY PROGRAMS

Race for something bigger than yourself. If you’re passionate about our charity partners or our corporate challenge competition, consider supporting by dedicating your race to helping others.