Drop in your Strava export
The whole zip, just as Strava sends it. Everything is read here in your browser. Nothing is uploaded anywhere.
Strava → SettingsMy AccountDownload or Delete Your AccountRequest your archive
Choose the .zip
ECG recordings from a Polar H10 (CSV, or a zip of them) can go in too, now or later. Ones recorded during a run show up on that run.
Apple Health export.zip works here too, for resting heart rate and VO₂ max.
When
Distance
Heart rate over time
Every dot is an activity (click one to open it). Lines are the 4-month median.
Peak HRAverage HR
Chapters
Your history, split at your key dates. Medians per activity.
Latest
Activities
Week by week
Against your recent typical
How did it feel?
Compare
Any two stretches of time, side by side. Uses the sport, distance and duration filters above.
A
to
B
to
By year
Key dates
They mark the charts and split your history into chapters. Add clinic visits, medication changes or new device settings. Leave “End” blank for a single day. Saved in this browser.
StartEnd (optional)What happened