If I run (eg) 4 miles and at the end get my 5k personal best, is that calculated from:
1: The start of my run, ie just the first 5k
2: The fastest 5k of my run, which could be the last 5k of my run
If I run (eg) 4 miles and at the end get my 5k personal best, is that calculated from:
1: The start of my run, ie just the first 5k
2: The fastest 5k of my run, which could be the last 5k of my run