What is a "lap" in swimming and how could it be different from a "length"? — TomTom Community

What is a "lap" in swimming and how could it be different from a "length"?

JohnHornerJohnHorner Posts: 3 [Apprentice Seeker]
My watch regularly has problems recording lengths. There are lots of posts here about it, I get it, swimming is problematic for smart watches.

But my question is, what is a Lap? Is it really common for people to be swimming around a pool, not just up and down, the way you run a lap of a field?

Follow-up question, how could I possibly do more laps than lengths, which my watch is telling me? It says I just swam 16 lengths, but 17 laps. It would make more sense if it were 16 lengths and 4, or 8 laps.

I'm pretty baffled as to why this metric even exists.

Anyone?

Comments

  • tfarabaughtfarabaugh Posts: 16,729
    Superusers
    Lap and length are interchangeable. They are equating it with running where a lap is one unit around a track, as a length is one unit across a pool. It exists because it is a running watch that they threw some swimming stuff into. The difference in one lap or length is likely due to how it counts the final lap/length. It is using the accelerometer to try and figure out when you are reaching for the wall to turn, but you need a very strong turn to trigger it. It also counts after the first turn, so the total is the laps completed so it will always be one short until the end. It is likely you did not register the final lap as you probably coasted to the wall. Make sure on the final lap that you have a strong finishing motion, so it registers the movement.

    I hope this helps answer your question. If so, please mark it as a solution so others can look for it if they have the same question.
  • JohnHornerJohnHorner Posts: 3 [Apprentice Seeker]
    Your theory makes sense … if I had 16 lengths and 15 laps. But what I had was 16 lengths and 17 laps.

    Also, if the watch counts both laps and lengths using the same method (reaching for the wall/strong turn etc), how would they ever be different?
  • tfarabaughtfarabaugh Posts: 16,729
    Superusers
    JohnHorner wrote:
    Your theory makes sense … if I had 16 lengths and 15 laps. But what I had was 16 lengths and 17 laps.

    Also, if the watch counts both laps and lengths using the same method (reaching for the wall/strong turn etc), how would they ever be different?
    They would be different because the watch is not really very good at tracking swimming. Frankly, I am amazed you are only off by 1!
  • JohnHornerJohnHorner Posts: 3 [Apprentice Seeker]
    Thanks for your contribution. Has anyone else got any suggestions?

    Remember, the question isn’t really about the watch. It’s asking why anyone would measure swimming in laps in the first place.
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