Athlete		Records by age
Name	Born	Made in career	Still unbeaten	%	Records' list
Bernard Lagat	Ken/USA, 1974	7	4	57,14	30 31 32 36 37 38 39
Noureddine Morceli	Alg, 1970	7	1	14	21 22 23 24 25 26 27
Michael Boit	Ken, 1949	7	0	0	25 32 33 34 35 36 38
Kipchoge Keino	Ken, 1940	7	0	0	25 26 27 28 29 31 32
Hicham El Guerrouj	Mor, 1974	6	4	67	23 24 26 27 28 29
John Walker	Nzl, 1952	5	0	0	22 23 25 35 37
Michel Jazy	Fra, 1936	5	0	0	24 26 27 29 30

KEY
26	Beaten record
32	Unbeaten record