Just did 3 laps, am lighter and fitter than 2 months ago, heart rate was higher this time, but 10 seconds slower. - will put it down to colder air, more wind and getting caught in traffic.
Best to compare the smaller section of where you did PB on.
Easier way to tell.
@edscoble started
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Just did 3 laps, am lighter and fitter than 2 months ago, heart rate was higher this time, but 10 seconds slower. - will put it down to colder air, more wind and getting caught in traffic.