Do you use an app that automatically figures your splits or are you on a treadmill and just changing your speeds? I'm so new to all of this LOL
There are several apps that can track your run - MapMyRun, Runkeeper and Strava are the most popular. My Fitbit Ionic records my laps - 1 mile splits - on an outdoors run and includes the overall pace and heart rate for each mile. And a map of the run. Here's the Princess Half...
It does not, though, provide the level of detail @dreamfinder posts for his treadmill runs - I'm sure that's from an app like the ones I mentioned connected to a fitness watch.