Just Another Runner

With local races, it's quite difficult to actually record personal records (PRs) because of two reasons inaccurate race distances inaccurate race results The first is because most races are not certified by a governing body and the second is because most races still don't use timing devices like timing chips or RFID. For most runners like me who really don't expect podium finishes in their races, we compete with ourselves or try to set new PRs. Personal records is also a useful tool to gauge improving or deteriorating health and fitness. So, should I use the official race results for my personal records? For my purposes of using PRs to see if I'm improving or not, until there is a body that requires local races to be up to a certain standard - including accurate race distances and results, I will be using personal measurements. That is, I'll use my Garmin's data. I know that GPS is not 100% accurate but at least I'll be using a "standard" measu