Changing activity HR zones

Hi, I recently did a Lactate HR test and now have a clearer picture of my zones.
However today I did a workout session before changing the zone settings.
Is there a way of updating todays sessions with the new zones? I did click on the “update all activities” but it didn’t change anything.

Try this. List activities, select activity, edit > update zones

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BRILLIANT! Worked a treat.
Thank you very much :grinning:

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