This happened last night on a near perfect run for me What is protocol when my last lap is missed bc phone fell after sending it across finish hitting the barrier where phone stand is plugged in lol? I would just throw it away but I was on fire that session.
If my lap counted, using the avg lap time of 4.44, I would come in below 330 sec

Last lap was 8 seconds, I had to pick up my phone and stop the timer