Notes from the saddle.
Training stories, notes from the podcasts, how the app works, and what happens when boring winter work meets a real mountain.
Looking for the research?
Our evidence long reads, on what Zone 2 does, how to find yours and how many hard sessions you need, now have their own Research section. Every claim is referenced.
The Olympic Champion Who Trained Slowly
Alistair Brownlee rode his easy days at about half his FTP. What his numbers on That Triathlon Show reveal, and what a six-hour-a-week rider should and shouldn't copy.
Boring Winter, Fast Spring: A Sa Calobra PR Built in Zone 2
Four grey months on the turbo, heart rate pinned to a single number. Then 9.5 km of Mallorcan switchbacks — and two minutes off my best.
The Easy Hour: How Zone 2 Fits a Real Life
Work, kids, a full life — and no room left to train. Until I started riding slower, slept better, stressed less, and got my weekends back.
The Espresso in the Algorithm: How the Zone 2 PID Works
The controller holding your heart rate in Zone 2 is the same one holding your espresso machine at 93°C. A coffee nerd's guide, with diagrams.
Getting Started: Your First Ride with Justzone2
Pair your trainer, set your zone, and let the app do the thinking. A complete walkthrough of your first Zone 2 session.