61 men have ran under 3:50 for the mile. 5000m PR of each of them:
THOMAS WESSINGHAGE One Mile 3:49.98 5000 Metres 13:12.78
TAREK BOUKENSA One Mile 3:49.95 5000 Metres 13:33.83
SIMON DOYLE One Mile 3:49.91 5000 Metres 13:28.71
HOMIYU TESFAYE One Mile 3:49.86 5000 Metres 13:58.73
NICK WILLIS One Mile 3:49.83 5000 Metres 13:20.33
VYACHESLAV SHABUNIN One Mile 3:49.83 5000 Metres 13:43.39
JIM SPIVEY One Mile 3:49.80 5000 Metres 13:15.86
CALEB MWANGANGI NDIKU One Mile 3:49.77 5000 Metres 12:59.17
WILFRED OANDA KIROCHI One Mile 3:49.77 no listed 5000m time on his IAAF profile but he has a 3000m time of 3000 Metres 7:46.76
RAY FLYNN One Mile 3:49.77 5000 Metres 13:19.52
MUSHIR SALIM JAWHER One Mile 3:49.75 5000 Metres 12:59.79
MEKONNEN GEBREMEDHIN One Mile 3:49.70 5000 Metres 13:22.89
TIMOTHY CHERUIYOT One Mile 3:49.64 no PRs listed beyond a mile
JOSÉ ANTONIO REDOLAT One Mile 3:49.60 5000 Metres 13:23.14
COLLINS CHEBOI One Mile 3:49.56 no 5000m PR listed but has a 3000m PR of 3000 Metres 7:44.24
FERMÍN CACHO One Mile 3:49.56 5000 Metres 13:46.65
RUI SILVA One Mile 3:49.50 5000 Metres 13:19.20
MIKE BOIT One Mile 3:49.45 5000 Metres 13:35.70
JAMES KIPLAGAT MAGUT one Mile 3:49.43 no PRs listed beyond a mile
ABDI BILE One Mile 3:49.40 no 5000m PR listed but has a 3000m PR of 3000 Metres 7:42.18
ANDREW BADDELEY One Mile 3:49.38 5000 Metres 13:20.85
BENJAMIN KIPKURUI One Mile 3:49.34 no 5000m PR listed but has a 1:06 half and 2:17 marathon PR
DAVID MOORCROFT One Mile 3:49.34 5000 Metres 13:00.41
JOE FALCON One Mile 3:49.31 5000 Metres 13:20.49
ILHAM TANUI ÖZBILEN One mile 3:49.29 no 5000m PR listed but has a 3000 Metres 7:50.61
JENS-PETER HEROLD One Mile 3:49.22 5 Kilometres 14:09
PETER ELLIOTT One Mile 3:49.20 no 5000m or 3000m pr
ABDELAATI IGUIDER One Mile 3:49.09 5000 Metres 12:59.25
ELIJAH MOTONEI MANANGOI One Mile 3:49.08 no distance listed beyond a mile
JOHN WALKER One Mile 3:49.08 5000 Metres 13:19.28
RONALD KWEMOI One Mile 3:49.04 5000 Metres 13:16.14
CRAIG MOTTRAM One Mile 3:48.98 5000 Metres 12:55.76
DERESSE MEKONNEN One Mile 3:48.95 5000 Metres 13:07.75
SYDNEY MAREE One Mile 3:48.83 5000 Metres 13:01.15
HARON KEITANY One Mile 3:48.78 no PRs listed beyond a mile
AMAN WOTE One Mile 3:48.60 no 5000m PR listed but has a 3000m PR of 3000 Metres 7:43.99
ASBEL KIPROP One Mile 3:48.50 5000m PR was done at altitude so I'll list the 3000m PR of 3000 Metres 7:42.32
WILLIAM KEMEI One Mile 3:48.40 5000 Metres 14:10.40
STEVE OVETT One Mile 3:48.40 5000 Metres 13:20.06
ANDRÉS MANUEL DÍAZ One Mile 3:48.38 no 5000m PR listed but has 3000m PR of 3000 Metres 7:46.15
DANIEL KIPCHIRCHIR KOMEN One Mile 3:48.28 5000 Metres 13:04.02
ALI SAIDI-SIEF One Mile 3:48.23 5000 Metres 12:50.86
PAUL KORIR One Mile 3:48.17 5000 Metres 14:13.66
DAHAM NAJIM BASHIR One Mile 3:47.97 5000 Metres 14:15.92
WILLIAM CHIRCHIR One Mile 3:47.94 no 5000m listed has a 3000 Metres 7:58.45
SILAS KIPLAGAT One Mile 3:47.88 5000m PR is not reflective as it is essentially the same as his 10k pace so I'll list his 3000m PR of 3000 Metres 7:39.94
JOHN KEMBOI KIBOWEN One Mile 3:47.88 5000 Metres 12:54.07
JOSÉ LUIS GONZÁLEZ One Mile 3:47.79 5000 Metres 13:12.34
STEVE SCOTT One Mile 3:47.69 5000 Metres 13:30.39
LABAN ROTICH One Mile 3:47.65 no 5000m pr listed but has a 3000m pr of 3000 Metres 7:47.97
SEBASTIAN COE One Mile 3:47.33 IAAF does not list his 5000m PR but list his 3000m PR of 3000 Metres 7:54.33
AYANLEH SOULEIMAN One Mile 3:47.32 5000 Metres 13:17.97
BERNARD LAGAT One Mile 3:47.28 5000 Metres 12:53.60
ALAN WEBB One Mile 3:46.91 5000 Metres 13:10.86
SAID AOUITA One Mile 3:46.76 5000 Metres 12:58.39
VÉNUSTE NIYONGABO One Mile 3:46.70 5000 Metres 13:03.29
DANIEL KOMEN One Mile 3:46.38 5000 Metres 12:39.74
STEVE CRAM One Mile 3:46.32 5000 Metres 13:28.58
NOUREDDINE MORCELI One Mile 3:44.39 5000 Metres 13:03.85
NOAH NGENY One Mile 3:43.40 3000 Metres 7:35.46
HICHAM EL GUERROUJ One Mile 3:43.13 5000 Metres 12:50.24
https://www.iaaf.org/records/all-time-toplists/middlelong/one-mile/outdoor/men/senior?regionType=world&page=1&bestResultsOnly=true&firstDay=1899-12-31&lastDay=2018-12-09