For as long as I’ve been consulting with gyms, the standard “retention” move has been to reach out to non-attendees after a set amount of days or once it's clear they’ve quit.
(What nonsense.)
Now (finally), we’ve got a leading indicator, a way to see who is at risk to leave before they stop attending — a metric that relies on the attendance level of current attendees rather than the non-attendance level of former attendees.
Here’s how I got there.