After each lap, after your turn, Apple Watch taps and displays result screen for 15sec X-axis line guide on the graph displays your slowest, Avg. and fastest x-axis line on
Redline -your 4 laps slowest SWimming pace
Greenline - your 4 laps fastest SWimming pace
Blueline - swum 4 laps average guide x-axis line on the graph
Start your SWim faster