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triathlon articles
10 articles on triathlon, newest first. Every one is sourced and links to the calculator it applies to.
How Kristian Blummenfelt Trains (and What He Eats While Doing It)
Kristian Blummenfelt runs the Norwegian method in three sports: lactate-guided thresholds, obsessive measurement, and a carb intake that rewrote the rules.
How Mark Allen Trained (and Why He Ran Slower to Get Faster)
Six-time Ironman World Champion Mark Allen capped his heart rate with Maffetone's 180-formula and watched his pace at that heart rate transform. A formula you can run now.
How Lucy Charles-Barclay Trains for the Heat (and the Hydration Mistake That Cost Her Kona)
The 2023 Ironman World Champion prepares for Kona with a six-week heat block, then lost a Kona lead to a sodium overdose. What long-course athletes get wrong about sweat and salt.
How Vincent Luis Trains (and Why He Won Kona by Letting the Race Go)
Vincent Luis won Kona 2026 on debut, six minutes down off the bike. How a short-course champion learned Ironman pacing, and how to set your own bike watts.
How Taylor Knibb Trains (and Why She Let the Leader Go in Kona)
Taylor Knibb won Kona 2026 in 8:36:29 a year after overheating 3 km from the line. The lesson: race your own limits, not the athlete beside you.
How Matthew Marquardt Trains (Kona Podium on 20 to 25 Hours a Week)
Matthew Marquardt finished third at Kona 2026 while still in medical school. His coach steers every session by lactate threshold, not by power or pace.
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 Julie Derron Trains (and Why She Runs Without a Watch)
Julie Derron took third at Kona 2026 on her debut, running the marathon without a watch. How Brett Sutton's athlete races by feel, and how to learn it.
How Gustav Iden Trains (and Why His Season Builds Slowly)
Gustav Iden ran the fastest marathon at Kona 2026 to finish second. How a rolled ankle, a slow build and a few threshold sessions shaped his season.
How Alex Yee Trains (the Runner Who Wins Triathlons)
Alex Yee won Olympic gold with the fastest run off the bike in the field. How he built a triathlon around that weapon, and how to pace a run on tired legs.