I'm a very keen swimmer and always have been. I've trained up to a competitive standard, however due to lack of funding have never been able to compete.

I have always struggled to keep track of how many lengths I have done. Does anyone have any creative or easy ways to help me remember?

3 Answers 3


I use a tiny device similar to this:

Lap counter

You push the button at every turnaround. The device counts the lengths and records the time for each. You can view the times, as well as the average etc, at the of the session.

Some of the functions (e.g. pausing the clock) are a little awkward to use on my lap counter. However, I don't find this to be a major inconvenice.

  • @npw Do you know where I would be able to get a device like one of these or what they're called?, as I have never come across this type of device before, and it looks really useful, thanks for suggesting it !
    – J-3
    Mar 3, 2014 at 11:10
  • 1
    @J-3: Searching for "swim lap counter" on Amazon finds this and other similar devices.
    – NPE
    Mar 3, 2014 at 20:01

The two ways I used to do it was count in pairs, so only 2, 4, 6, 8 etc. That makes it much easier to keep track.

The better way I started to use when I was doing distance swims was to count the distance instead of the number of lengths. So if I was doing 1500m in a 25m pool then 60 lengths are really easy to loose track on, just 25, 50, 75 is easier. Or couple these together and do it 50, 100, 150 etc.

After a while you just get used to counting anyway and will do it subliminally.

  • Also, cross checking with your splits (you are watching the clock, right?) helps keep things on track for me. I know about where I should be per 100 split, so overall time back computes to distance readily.
    – Jon Custer
    Jun 27, 2014 at 21:08

I use a small finger ring device, COUNTU Goal, as my swimming lap counter and timer. You push the button for each lap, without any interference. It can work as timer and lap counter, and can show relevant time and lap statics data. And the most useful function is vibrate alarm function, which can alarm you through vibrating your finger when you achieve your workout. enter image description here

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