Usually athletes run with the help of others. One man blow the whistle and another person keep stopwatch. It looks like very odd. Athletes cant run my himself.
This app is a solution for this. Now you can run and track everything using this app. No need others help.

Put the phone on a tripod focusing the finish line. Connect a Bluetooth speaker. Open this app, set a time you need to prepare. This app starts to countdown. After finishing countdown a sound will be blown. Now start your race. Just cross the finish line. This app automatically detect you while crossing the finish line. And also show you the finishing time and blow a whistle.

Use this awesome app. This app is for athletes who want to practice running my himself own. There is a motion detector 'in this app thus this can detect any moving object using phone camera.