7 Brits have run between 3:29.05 and 3:31.30 this or last season. There are 15 non-british european-born runners who ever have run sub 3:31.30 (Chouki was doped):
J. Ingebrigtsen
Cacho
Garcia
Nordas
F. Ingebrigtsen
Silva
Heshko
Lewandowski
Coscoran
Estevez
Gonzalez
Viciosa
Abascal
Redolat
Laros
6 of these 15 have done it in the last 3 seasons.
nationalities:
Norway: 3 (2 brothers)
Spain: 7
Portugal: 1
Poland: 1
Ukrain: 1
Irland: 1
Netherlands: 1
France, Germany, Sweden, Finland, Denmark, Belgium, Switzerland, Austria, Romania, Bulgaria, Russia, Belarus, Italy, Greece, Serbia, Croatia, Czech Republic, Slowakia: 0
letsrun consens seems to be that the Spaniards are dopers? At least from the 90/00s? Silva? Who finished the 2004 OG final faster than El G and Lagat? This would reduce the list to 10.
It seems the Brits share some running gene which seperates them from continental Europe.