KO

Kyle O'Brien
Birth dateAug 3, 1980
Height-
Weight-
Kyle O'Brien is a United States long-distance runner, born on August 3, 1980. He competes primarily in the 3000m, 5000m and 10000m.
His personal bests include 8:24.05 in the 3000m, 14:18.33 in the 5000m, 29:36.36 in the 10000m, 1:04:44 in the Semi and 2:15:13 in the Marathon. He is currently active on the international athletics circuit, representing United States.
Key facts
Marathon
2:15:13
Half Marathon
1:04:44
Age
46 years old
As of Sep 14, 2026: Marathon 2:15:13, Half Marathon 1:04:44, 2009 season best 2:20:55 (Apr 20, 2009) · 46 years old
PB
Personal bests
8:24.05
14:18.33
29:36.36
1:04:44
2:15:13
9:08.86
6:18.64
8:24.42
46:15
30:08
49:07
14:31.30
1:04:58
1:37:06
1:18:17