I have studied many running plans and many training pace calculators. Most of the calculators ( eg Jack Daniels runsmartproject.com/calcula... and McMillans mcmillanrunning.com/ give you a pace for easy, long, tempo and fast intervals dependent on a current race time. The only training pace that exceeds race pace are the fast intervals.
Whenever I go to parkrun, most people are attempting to break or at least equal their PB's - and over the past 2 years , I have also gotten a bit seduced into this aspect of parkrun. But this year, I am intending to do some long events - certainly a HM , but I am also eyeing off a 35K and a full marathon. Most of my training therefore will involve easy running at easy pace, some marathon/half marathon race pace days and some tempo runs -- very few fast intervals , if any! So - logically I should be running 5k parkruns at my easy pace which is around 8 minutes perK (for a 30-33 minute past 5K PB - not that I am really capable of even that at the moment in summer!!) ) . So yesterday, I did a double parkrun - with a slow 37 minute first event and an even slower 43 minute 5K ( after I befriended a lady who was "struggling" and stuck with her, walking a fair bit of the way ( this is still "good" for me though!! ))
Anyway - my point is -- it was quite difficult to run at this slow pace when everybody else "zoomed off" - and I am sure that most there are thinking "What's the matter with Barry??" - but my running future will definitely revolve around slow long distance running ( run/walking) so I am sort of finding parkrun to be a little "incompatible' with this.