Blog
threshold articles
8 articles on threshold, newest first. Every one is sourced and links to the calculator it applies to.

How to Find Your Lactate Threshold
What lactate threshold is (LT1 vs LT2), why it anchors your zones, and how to find it: a 30-minute LTHR field test, race or power methods, or a lab test.

The Norwegian Method: Double Threshold Training, Explained
What the Norwegian method is, the science behind lactate-guided double-threshold training, where it falls short, and who uses it, from Ingebrigtsen on.

Beyond the Numbers: Special Training Intensities, Part 2 (Threshold to Sprint)
Threshold, sub-threshold, Critical Power, VO2max and the anaerobic top end: the named training intensities at the hard end and what each one trains.

How Jonas Vingegaard Trains (and Why He Rode the Giro First in 2026)
Vingegaard's training rests on measured thresholds, few race days and years of patience. The method, the 2026 Giro-Tour change, and what to copy.

How Demi Vollering Trains (and How She Won a Second Tour de France Femmes)
Vollering cut her racing from 29 days to 18, bet on training blocks over race days, and won the 2026 Tour de France Femmes. The method, and what to steal.

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 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.

How Quentin Fillon Maillet Trains (Eight Olympic Medals, Every Format)
France's most decorated Olympian has medalled in every biathlon format, from a 23-minute sprint to a 50-minute individual. That range is a threshold story.