A lot of gyms collect more data than anyone has time to look at. Here are the KPIs worth checking regularly, and the action each one should prompt.
A lot of gyms are already collecting more data than anyone has time to look at properly.
Attendance, renewals, payment failures, class capacity: it’s all sitting there in your gym software, and the challenge is knowing which numbers actually tell you something useful and how to act once you’ve spotted a problem.
Here’s a clearer look at the KPIs worth checking regularly, and the action each one should prompt.
Gym KPIs Worth Tracking Regularly
Member retention rate. The percentage of members still with you after a set period (usually measured monthly or annually) is the single clearest signal of how well the gym is actually serving the people who join it. A retention rate that’s declining over a few months is worth more attention than almost any other number on this list, because it’s the earliest sign that something in the member experience needs improving.
Attendance consistency. Looking at total visit numbers can sometimes give you a false reading, because you could have a group of regulars propping up most of the numbers while a larger proportion only visit once or twice a month. Tracking how consistently individual members are attending the gym gives you a much more accurate understanding.
At-risk members. These are members whose attendance has dropped off without a cancellation, and they’re the group worth acting on quickly, since a member who’s gone quiet for three weeks is still far easier to win back than one who’s already cancelled.
Class booking rates. Knowing which classes are consistently getting booked and which are running at a lower capacity shapes decisions about timetabling, staffing and where to focus promotion.
Conversion rate. The proportion of enquiries and day passes that turn into paying members says a lot about how well your sales process and onboarding are working. A low conversion rate usually means there’s a gap between what’s promised at the enquiry stage and what’s delivered in the first few visits.
For a wider view of the numbers worth monitoring, see our guide to 5 key KPIs you should be monitoring at your club.
How to Act on Gym Member Retention Red Flags
Spotting a red flag is only half the job, and plenty of gyms track these numbers without ever responding to them effectively.
A decrease in retention rate is worth a short review of recent member feedback and a look at whether a particular class, coach or time slot is behind it, rather than a vague sense that things have gone quiet. At-risk members respond best to a personalised message that references the class they used to come to or the goal they told you about when they joined, rather than a generic reminder that they haven’t been in. Undersold classes are worth testing against a different time slot or a short promotion before being cut altogether, since the issue is sometimes the slot rather than the class itself.
What ties these numbers together is that each one should lead to an action, not just a note in a report. For more ideas, see our 5 wins for member retention.
Using Milo to Track and Act on Gym KPIs
Looking at these numbers together and remembering to check them regularly takes time that most gym owners simply don’t have. This is where Milo comes in.
Milo, ClubRight’s built-in AI assistant (now in beta), keeps an eye on your gym’s performance in the background and brings anything that needs your attention to you in a daily Morning Brief. It could be a dip in retention, a class that hasn’t filled yet or members who are at risk of leaving, so you’re getting the full picture.
If you’re on ClubRight’s Complete plan, Milo goes a step further and acts on what it finds once you say yes: sending a check-in message to an at-risk member, for example, or messaging members on a class waiting list. That shortens the gap between spotting a red flag in your data and doing something about it.
Gym KPIs are only worth tracking if you act on them. If you’re not sure which numbers to start with, retention and at-risk members are the two to look at right now, because they have the most direct effect on your income. If you’d like an easier way to keep on top of your gym’s KPIs, or you want to see Milo in action, book a free demo.



