| Event | Rank | Mark | By | Meet |
| B-Mile | 1 | 4:12.42 | Smith, Brody (2016) (Cody, WY) (US#58) | Nike Festival of Miles(MO), 2015-06-04(#8) |
| | | National Elites above. State Elites below | | |
| B-Mile | 2 | 4:20.81 | Davila, Hunter (2015) (Kelly Walsh, WY) | Arcadia Invitational(CA), 2015-04-11(#2) |
| B-Mile | 3 | 4:23.18 | Henry, Chris (2016) (Laramie, WY) | Arcadia Invitational(CA), 2015-04-11(#6) |
| B-Mile | 4 | 4:24.05 | Henderson, Shane (2018) (Star Valley, WY) | Arcadia Invitational(CA), 2015-04-11(#8) |
| B-Mile | 5 | 4:24.72 | Downey, Michael (2015) (Cheyenne East, WY) | Arcadia Invitational(CA), 2015-04-11(#7) |
| B-Mile | 6 | 4:35.00 | Portillo, Preston (2017) (Rock Springs, WY) | Arcadia Invitational(CA), 2015-04-11(#17) |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | See more performances for B-Mile | | |
Get US#1 updates on Facebook
