Polar Flow shifts fully to the renewed training analysis layout

Polar is about to retire the classic training analysis view from the Flow web service. The renewed layout, already the default for most users, will become the only available option in early 2026.

The new Flow view adds detail

The refreshed training session view doesn’t just look cleaner. It also brings more control, more granularity and a few new tools that weren’t previously available on the web.

For starters, you can now customise how your data is displayed. That includes changing zone colours and choosing which curves to show in your charts.

You also get the ability to zoom into specific parts of a workout using the red timeline. Just drag the ends to select a section, and Flow will now show detailed highlights for that segment. This includes stats like average power, cadence or pace.

There are also new curves available. Energy source data can now be charted if your watch supports it, breaking down how much of your effort came from carbs versus fat. Body temperature curves have been added too, assuming you’re using a compatible device.

For those who train outdoors, the updated map view now includes a 3D option. You can also expand both the curves and the map to full screen, and even view them side by side.

A few long-requested features make their way to the web

Polar has also added some things that previously only existed in the mobile app. One example is session RPE (Rate of Perceived Exertion), which can now be logged directly from the session summary page. The Cardio Load report is also linked more prominently. And for runners using compatible sport profiles, Running Index links are now integrated directly into the summary.

Swimming and multisport sessions benefit from this update too. The renewed view includes more detailed stats and breakdowns that were previously limited or missing entirely from the web interface. It also introduces a new space for coaching notes.

If you like your data smoothed out for longer sessions, the smoothing toggle is still there. Polar advises it’s mainly useful for speed and power curves over long durations, but it remains optional.

Essential reading: Top fitness trackers and health gadgets

Editing sessions is still possible. You’ll find the usual options in the dropdown under the Edit button, along with quick access to sport profiles. And if the summary feels too busy, sections can now be collapsed using the “Show less” button.

What to expect

The original Flow web view will be phased out entirely sometime in early 2026. Polar hasn’t given a firm date, but the shift is coming. That means now is the time to get comfortable with the renewed layout if you haven’t already.

The retirement of the old view is part of a larger shift. Polar is essentially rebuilding the entire Flow ecosystem from the ground up, not just reshaping a few menus. The redesign spans both the web service and the mobile app.

The overhaul begins by strengthening the backend, modernising data handling and privacy compliance. It continues with improved layout, data presentation and a refreshed diary and summary view in the mobile app. Later phases promise a full user‑experience boost, with a more flexible interface, deeper customisation and a unified look across devices.

Source: Polar

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