A triathlon traditionally starts with the swim portion of the race and is followed by the bike and the run segments. Although most athletes change shoes during the transitions to bike and run, they usually go barefoot for the swim.
The Triathlon Dictionary Liv Cycling Official site
Do You Wear Shoes During the Swimming Portion of the Triathlon? - SportsRec
What Do You Wear During A Triathlon? - SBR Sports - Swim, Bike, Run Tips & Tricks
Should Triathlon Follow World Athletic Shoe Rules? Ask The Pros: Ironman World Championships 2023
Do You Wear Shoes During the Swimming Portion of the Triathlon? - SportsRec
Length of Legs and Walking Speed - SportsRec
From Triathlon to Swimrun: Ditch The Bike And Embrace The Adventure!
The First U.S. Gold Medal in Triathlon, Thanks to a Great Run
The Machine That's Churning Out Triathlon's Future Female Olympians