Fort DeSoto Triathlon Series

OCT
18
2026
A multisport series at Fort DeSoto Park featuring Sprint and International distance triathlons, duathlons, and aquabikes. Athletes enjoy a saltwater swim, a traffic-free bike course, and a scenic, flat run with Gulf views. The event offers a car-free, spectator-friendly race environment.
Sun 18 Oct 2026
Sprint Duathlon Run (firs... Sprint Duathlon Run (seco... Sprint Triathlon Run International Triathlon R... International Aquabike Sw...

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Event Overview

The Fort DeSoto Series takes place at Fort DeSoto Park in Saint Petersburg, Florida. It features five different multisport events.

Distances and Disciplines

The available race formats include:

  • Sprint Triathlon: a 0.25-mile swim, a 10-mile bike, and a 3.1-mile run.
  • Sprint Duathlon: a 0.7-mile run, a 10-mile bike, and a 3.1-mile run.
  • Sprint Aquabike: a 0.25-mile swim and a 10-mile bike.
  • International Triathlon: a 0.5-mile swim, a 20-mile bike, and a 6.2-mile run.
  • International Aquabike: a 0.5-mile swim and a 20-mile bike.

Course Details

The swim is a saltwater swim visible to spectators. The bike course is described as 100% traffic-free; International distance athletes complete two laps, while Sprint distance athletes complete one lap. The run is a scenic 5K route through the park offering views of the Gulf of Mexico. The course is described as flat. Sprint athletes run one lap, and International distance runners complete two laps. The finish chute provides spectators an opportunity to cheer. Visit the organization's website for the most recent information.

6 mi
International Triathlon Run
3 mi
Sprint Duathlon Run (second Segment)
3 mi
Sprint Triathlon Run
Sprint Duathlon Run (first Segment)
International Aquabike Swim
International Triathlon Bike
International Triathlon Swim
Sprint Aquabike Bike
Sprint Aquabike Swim
Sprint Duathlon Bike
Sprint Triathlon Bike
Sprint Triathlon Swim
International Aquabike Bike