Swimming Pace Trainer for Garmin Forerunner 935 fw 4.10

Hi, anyone able to program a swimming pace trainer (for Garmin Forerunner 935).

You set a number of seconds to swim a 25m length (or whatever length pool is desired),
as you get to the end of the pool (and you've set it for say 34 seconds), the watch
will vibrate or flash up 34 secs and then every 34 seconds will again
beep/vibrate. The aim of this is to slowly get faster per length, so
you can then decrease the time down to 33, 32, 31 seconds - there is a
gadget on the market called the Finis Swimming Tempo Pro trainer (which
I have), but I would just like the option on my watch, and I can't find
an app that would do this sort of thing.

The tempo trainer does:
an Audible beep loud enough to hear in and out of water - don't know if
that is possible on the 935 or maybe just a vibrate which the 935 can do.
Adjustable tempo pace in 1/100ths of a second - it can go either 31, 32,
or 31.02, 31.03 and so on
Sync button to synchronize the device to a pace clock or stopwatch
3 modes:
Single beep from to 0.20 seconds to 99.99 seconds ◦Triple beep from 1
second to 9:59 minutes ◦Single beep in strokes/strides per minute
which is perfect for pacing and creating consistent stroke tempo

I'm sure that this app would be very popular with swimmers, but could also be
used for runners/cyclists as a way to pace themselves over a specific distance and
to ultimately get faster.

Many thanks

Chris Turner

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