Tsumu Run

Your easy runs might not be easy. Tsumu Run stacks your heart rate zone time from Apple Watch and shows your training as a single shape. Zone 1 at the base, Zone 5 at the top — a well-built week forms a pyramid. WHAT YOU SEE - Intensity balance — your shape against the ideal pyramid, judged in three seconds - Training volume — stacked zone time by day, week, month, or year - Zone breakdown — the exact split across Zone 1 to 5 - Calendar — every day coloured by the character of that session - Widgets — days run this month and the shape of your training BUILT FOR ZONE TRAINING If you follow polarized or pyramidal training, you already know the trap: easy runs creeping into the middle zone. The standard fitness apps show one workout at a time, so the pattern stays invisible. Tsumu Run works across weeks, months, and years. PRIVATE BY DESIGN Your health data is read from Apple Health and…