Biggest UK (not)parkrun totals:
Chelmsford Central 454 (not)parkruns
Witney 450 (not)parkruns
Riverside 296 (not)parkruns
Hull 228 (not)parkruns
Bushy Park 213 (not)parkruns
Luton Wardown 191 (not)parkruns
Brundall 172 (not)parkruns
Herrington Country 146 (not)parkruns
Ashton Court 130 (not)parkruns
Beverley Westwood 116 (not)parkruns

Highest adjusted* average (not)parkruns per parkrunner: Herrington Country with 67 parkrunners recording 146 (not)parkruns
Lowest adjusted* average (not)parkruns per parkrunner: Waterworks with 26 parkrunners recording 26 (not)parkruns
(* = adjusted according a statistical formula to take account of parkruns with very low numbers)

Worldwide 18309 parkrunners recorded 27816 (not)parkruns, with an average time of 34:08
In the UK 11014 parkrunners recorded 16201 (not)parkruns, with an average time of 31:59
In South Africa 2491 parkrunners recorded 4173 (not)parkruns, with an average time of 41:21
In Australia 2612 parkrunners recorded 3945 (not)parkruns, with an average time of 36:01
In Ireland 800 parkrunners recorded 1192 (not)parkruns, with an average time of 34:06
In Germany 182 parkrunners recorded 410 (not)parkruns, with an average time of 33:54
In Poland 239 parkrunners recorded 378 (not)parkruns, with an average time of 30:53
In the US 210 parkrunners recorded 335 (not)parkruns, with an average time of 35:03
In New Zealand 206 parkrunners recorded 309 (not)parkruns, with an average time of 37:11
In Canada 160 parkrunners recorded 244 (not)parkruns, with an average time of 32:09
In Russia 99 parkrunners recorded 169 (not)parkruns, with an average time of 29:28
In Sweden 58 parkrunners recorded 96 (not)parkruns, with an average time of 31:28
In Japan 46 parkrunners recorded 74 (not)parkruns, with an average time of 30:04
In the Netherlands 37 parkrunners recorded 65 (not)parkruns, with an average time of 30:28
In Italy 38 parkrunners recorded 58 (not)parkruns, with an average time of 27:24
In Denmark 36 parkrunners recorded 48 (not)parkruns, with an average time of 28:26
In Norway 24 parkrunners recorded 38 (not)parkruns, with an average time of 28:36
In Singapore 19 parkrunners recorded 26 (not)parkruns, with an average time of 32:05
In Malaysia 15 parkrunners recorded 23 (not)parkruns, with an average time of 38:58
In France 15 parkrunners recorded 18 (not)parkruns, with an average time of 30:40
In Finland 8 parkrunners recorded 14 (not)parkruns, with an average time of 47:23