Blog
swimming articles
4 articles on swimming, newest first. Every one is sourced and links to the calculator it applies to.
How Laura Philipp Trains (the Late Swimmer Who Rides and Runs Back)
Laura Philipp learned to swim at 24, left the Kona 2026 water 30th and 8:34 down, and still finished second. Why adult swimmers should test their CSS.
How Léon Marchand Trains (Phelps's Coach, and a Stopwatch Instead of a Heart Monitor)
Marchand trains under Bob Bowman, the coach who made Michael Phelps, on pace and short rest rather than heart rate. Why swimmers set zones from a stopwatch.
How Michael Phelps Fueled 80,000 Meters a Week (and the 12,000-Calorie Myth)
Michael Phelps never ate 12,000 calories a day. The real number, the 80,000-meter weeks behind it, and what it says about your own calorie needs.
How Katie Ledecky Trains (the Most Aerobic Athlete in the Pool)
Katie Ledecky races a pace, not an opponent, on huge aerobic volume held to precise splits. How she trains, and why swimmers set zones by stopwatch.