Marathon Triathlon - Race Through Paradise

Please read all RACE INFO before registering, this is a USAT Sanctioned race.

By registering you agree that you have read all race information, and agree to MaraTri and USAT waivers.


MaraTri 10 is Benefitting the Special Olympics...

Race you to the beach!

Make your first triathlon a race through paradise with us!
Swim. Bike. Run. Fun!

MaraTri (short for Marathon Triathlon) is a multi-sport, multi-distance race series based in Marathon, Florida Keys. Our races are specifically designed for first-timers and those that love to share the sport of triathlon with friends and family.  We are a charity organization at heart, benefiting local youth athletics and the encouraging the use of our great outdoors.

Come join us for the best race through paradise!  If you can do a 5k run, you'll love the change of pace of our Mini triathlon.  Or, challenge yourself to the Sprint distance category and put a little friendly competition between you and your long-time workout partner.


Keep up to date

Check this website often and our Facebook page frequently for critical race changes, discount codes, and more...  Also sign up for our email list below.


MaraTri Best-of Photos on Facebook!

Click the thumbnails below to see more...

Stay for the after party!  

There will be events for the entire family: games, prizes, local brews, and food.  Come for the race and stay for the party!  See you in the sand, cheers!

MaraTri 10 - Official Sponsors

Together we can make this race amazing!  Help us raise funds for our cause, and support the event through sponsorships. CLICK HERE for more information on how to become an official sponsor.