Hello Reader, On May 19, 2021 I published a simple piece: “Why Athletica.” It laid out a hope. That science, thoughtfully encoded, could help everyday athletes train well, stay healthy, and perform. Today that hope feels a little surreal. Luke Evans, a Toronto-based engineer who started triathlon five years ago, recently used Athletica to self-coach his way to the overall win at IRONMAN Canada–Ottawa (8:40:22). Below are the podcast, the deep-dive blog, and the principles behind the...

Hello Reader, Even the cleanest power file can hide what really happened in your session. Miss a lap press by two seconds, and your averages—and any Coach’s feedback—are off. Interval IQ™ fixes that. Our new machine‑learning engine scans every second of your ride and builds “virtual laps” for every meaningful effort, not just the best one. That means: True work‑bout averages for your 30/30s (or 4 × 10 min at CP) Hidden sprints and fatigue fades surfaced automatically Smarter compliance scores...

Hello Reader, I wanted to share a quick story and a new release I’m really proud of. Years ago, when Kyle Buckingham crossed the line first at Ironman South Africa, he reflected later and said to me: “Paul—I know you’re trained as a physiologist, but really, you’re more of a psychologist.” Kyle Buckingham: The Sweetest Victory at his Home Race – Ironman South Africa It made me smile. Andi Boecherer once told me almost exactly the same thing after winning Ironman Lanzarote. It took me back to...