Who Said Triathlons Have to Be Scary?

We're Anything But Scary!

Let us introduce you to one of the world’s fastest growing sports — without the intimidation!

TriMonster provides a variety of group-focused triathlon training programs within a friendly, structured environment.  Whether your goal is to simply finish your first triathlon or realize a new personal best, we can help.  

We truly believe there is nothing more effective than training in a group setting - which provides accountability (to show up) and motivation (to push a little harder).   Your tri experience will be greatly enhanced with our ability to guide your training — all while understanding the need to balance work, family and other obligations.

Since 2002, TriMonster has helped more than 500 individuals successfully conquor triathlon.  Our athletes range from first timers to experienced veterans competing in Sprint to Half Iron distance events.  The majority of our athletes train to compete in the Chicago Triathlon—boasting a 100% finish rate since we started!

Training Affiliations / Partners

TriMonster is proud to be the official triathlon training program for Fitness Formula Clubs and is the exclusive training partner for the T2: TEAM TO END AIDS and the Cystic Fibrosis Foundation's TeamCF.  Since 2004, our TriMonster participants have raised over $150,000 for their charities.

USAT Member Club / USAT Certified Coaches

TriMonster is a registered club with USA Triathlon, and our coaches hold Level I USAT coaching certifications. 

Please explore our new site to learn more.  Don’t hesitate to contact us for any reason.  We look forward to introducing you to the world of triathlon!

Summer in Chicago is in full effect, as is triathlon mania! Check out our what's happening in our world...

Slacking On Your Training? - Let Us Guide You!

Our new Late Season Program may be just for you. Coached weekly open water swims (4x), race simulations and Chicago Tri race day support.  Get coaches.  Get trained!  Click Here to learn more.

How's Your Swim Game?

Get expert guidance from our swim coaches at Fleet Feet's remaining Open Water Swim Clinics at Ohio Street Beach: July 20th, August 3rd & 17th @ 6:00pm. Free Admission!  $5 Wetsuit rentals.

Training for the Chicago Tri? - Join Us!

Join our Peak Season program - our most-popular training program. Sessions start June 7.  Two sessions are already sold-out, but space remains. Click Here to learn more and register!

TEAM TO END AIDS - Sold Out!

The inagural TriMonster / T2 program is sold-out!  Learn more about Chicago's best charity endurance program.

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