305 Triathlon

Sunday, May 18, 2025 Past event
7:00 AM EDT
Key Biscayne, Florida
$149.40–$227.84 · 6 races
Sprint, Olympic

Event summary

Get ready for an exhilarating experience at the 305 Triathlon on Sun, May 18, 2025, held in the stunning Key Biscayne, Miami-Dade! This premier triathlon event attracts athletes from around the globe, showcasing South Florida's largest Sprint (1/3 Olympic Distance), Intermediate (2/3 Olympic Distance), and Olympic Distance courses.

Participants will dive into the tranquil waters of the Atlantic Ocean before embarking on a thrilling bike ride that takes them over the iconic William Powell Bridge, offering breathtaking views of the Miami skyline. The flat sections of the bike course ensure a fast ride, while the scenic run stretches through the beautiful paved trails of Crandon Park, where runners can enjoy ocean views and shaded paths. Whether you're a seasoned triathlete or a first-timer, the 305 Triathlon promises an unforgettable day filled with competition and camaraderie amidst the picturesque backdrop of Key Biscayne! Don't miss out on this incredible event!

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Races

  • Sprint Triathlon

    Incl. $9.40 Fee & T-Shirt

    7:00 AM EDT

    $149.40

    Entries closed
  • Sprint Duathlon

    Incl. $9.40 Fee & T-Shirt

    7:00 AM EDT

    $149.40

    Entries closed
  • Olympic Triathlon

    Incl. $13.84 Fee & T-Shirt

    7:00 AM EDT

    $227.84

    Entries closed
  • Olympic Aquabike

    Incl. $13.84 Fee & T-Shirt

    7:00 AM EDT

    $227.84

    Entries closed
  • Intermediate Triathlon - 2/3 Olympic Distance

    Incl. $12.04 Fee

    7:00 AM EDT

    $196.04

    Entries closed
  • Sprint Aquabike

    Incl. $9.40 Fee

    7:00 AM EDT

    $149.40

    Entries closed

Organiser's description

REGISTER HERE!!! https://triregistration.com/reg2/Race.php?eventid=3578&promo=runsignup2025



The Mack Cycle 305 Triathlon draws triathletes from across the world to meet in Miami!

The Mack Cycle 305 Triathlon is South Floridas largest Sprint (1/3 Olympic Distance), Intermediate (2/3 Olympic Distance) and Olympic Distance Triathlon. It is held annually on the beautiful island of Key Biscayne. Key Biscayne is the main training ground for all of Miamis endurance athletes.

The swim is in a calm area of the Atlantic Ocean.

The bike leaves Crandon Park and heads to the William Powell Bridge with a steady 4% grade up to 76 feet high with a spectacular view of the City of Miami Skyline! Then riders u-turn after getting to the other side of the bridge and climb that monster again! The rest of the bike course is flat. Sprint does 1 lap, Intermediate 2 laps, and Olympic 3 laps.

The run goes through the absolutely gorgeous paved trails through Crandon Park with awesome ocean views and lots of shade. It is one of the most scenic runs in the sport of triathlon! Sprint does 1 lap, Intermediate 2 laps, and Olympic 3 laps.



REGISTER HERE!!! https://triregistration.com/reg2/Race.php?eventid=3578&promo=runsignup2025

Location

Crandon Park, 6747 Crandon Blvd, Key Biscayne, 33149, FL, United States

Event data

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