2020 World Men
| TIME | PL | ATHLETE | MEET | DATE |
| 3:50.61 | 1 | Stewart McSweyn (AUS) | Tasmanian Mile Championship, TAS | 12/29/20 |
| 3:51.23 | 1 | Matthew Ramsden (AUS) | 30th Ambrosian Mile, ITA | 09/05/20 |
| 3:52.08 | 2 | Yemaneberhan Crippa (ITA) | 30th Ambrosian Mile, ITA | 09/05/20 |
| 3:52.38 | 3 | Ryan Gregson (AUS) | 30th Ambrosian Mile, ITA | 09/05/20 |
| 3:53.35 | 1 | Oliver Hoare (AUS) | South Carolina Trackfest, SC USA | 08/29/20 |
| 3:55.41i | 1 | Charlie Hunter (AUS) | BU Last Chance, MA USA | 02/28/20 |
| 3:55.50i | 2 | Cooper Teare (USA) | BU Last Chance, MA USA | 02/28/20 |
| 3:55.61i | 1 | Chris O'Hare (GBR) | NYRR Wanamaker Mile, NY USA | 02/08/20 |
| 3:55.62i# | 1 | Yared Nuguse (USA) | ACC Indoor Championships, IN USA | 02/29/20 |
| 3:55.86i | 1 | Samuel Tefera (ETH) | AIT Grand Prix, IRL | 02/12/20 |
i = indoors
# = oversized track >200m
2020 World Women
| TIME | PL | ATHLETE | MEET | DATE |
| 4:16.85i* | 1 | Elinor Purrier (USA) | NYRR Wanamaker Mile, NY USA | 02/08/20 |
| 4:17.26i+ | 2 | Konstanze Klosterhalfen (GER) | NYRR Wanamaker Mile, NY USA | 02/08/20 |
| 4:17.88i+ | 3 | Jemma Reekie (GBR) | NYRR Wanamaker Mile, NY USA | 02/08/20 |
| 4:19.73i+ | 4 | Gabriela Debues-Stafford (CAN) | NYRR Wanamaker Mile, NY USA | 02/08/20 |
| 4:21.81 | 1 | Cory McGee (USA) | Team Boss Indiana Mile, IN USA | 07/25/20 |
| 4:23.33 | 2 | Dani Jones (USA) | Team Boss Indiana Mile, IN USA | 07/25/20 |
| 4:23.65 | 3 | Emma Coburn (USA) | Team Boss Indiana Mile, IN USA | 07/25/20 |
| 4:23.68i# | 1 | Shelby Houlihan (USA) | UW Invitational, WA USA | 02/01/20 |
| 4:24.32i# | 2 | Karissa Schweizer (USA) | UW Invitational, WA USA | 02/01/20 |
| 4:24.45i | 5 | Nikki Hiltz (USA) | NYRR Wanamaker Mile, NY USA | 02/08/20 |
* = U.S. indoor record (previous record, 4:20.5, Mary Slaney (OR), San Diego, CA, 02/19/82) and U.S. All-Comers indoor record (previous record, 4:17.14, Doina Melinte (ROM), East Rutherford, NJ, 02/09/90)
+ = national record
i = indoors
# = oversized track >200m
Deeper indoor & outdoor Mile lists compiled by the World Athletics for MEN and WOMEN
2020 U.S. Men
| TIME | PL | ATHLETE | MEET | DATE |
| 3:55.50i | 2 | Cooper Teare (CA) | BU Last Chance, MA | 02/28/20 |
| 3:55.62i# | 1 | Yared Nuguse (KY) | ACC Indoor Championships, IN | 02/29/20 |
| 3:56.18 | 1 | Tripp Hurt (CO) | Team Boss Indiana Mile, IN | 07/25/20 |
| 3:56.50i# | 1 | Evan Jager (OR) | UW Invitational, WA | 02/01/20 |
| 3:56.56i | 3 | Rob Napolitano (NJ) | NYRR Wanamaker Mile, NY | 02/08/20 |
| 3:56.85i | 1h1 | Craig Engels (OR) | BU John Thomas Terrier Classic, MA | 01/25/20 |
| 3:57.03i# | 1 | Suliman Waleed (VA) | Vanderbilt Invitational, TN | 01/18/20 |
| 3:57.03i | 8 | Eric Jenkins (OR) | NYRR Wanamaker Mile, NY | 02/08/20 |
| 3:57.11 | 2 | Nick Harris (CO) | Team Boss Indiana Mile, IN | 07/25/20 |
| 3:57.19i# | 2 | Sean McGorty (OR) | UW Invitational, WA | 02/01/20 |
i = indoors
# = oversized track >200m
2020 U.S. Women
| TIME | PL | ATHLETE | MEET | DATE |
| 4:16.85i* | 1 | Elinor Purrier (MA) | NYRR Wanamaker Mile, NY | 02/08/20 |
| 4:21.81 | 1 | Cory McGee (CO) | Team Boss Indiana Mile, IN | 07/25/20 |
| 4:23.33 | 2 | Dani Jones (CO) | Team Boss Indiana Mile, IN | 07/25/20 |
| 4:23.65 | 3 | Emma Coburn (CO) | Team Boss Indiana Mile, IN | 07/25/20 |
| 4:23.68i# | 1 | Shelby Houlihan (OR) | UW Invitational, WA | 02/01/20 |
| 4:24.32i# | 2 | Karissa Schweizer (OR) | UW Invitational, WA | 02/01/20 |
| 4:24.45i | 5 | Nikki Hiltz (CA) | NYRR Wanamaker Mile, NY | 02/08/20 |
| 4:25.98i | 6 | Heather MacLean (MA) | NYRR Wanamaker Mile, NY | 02/08/20 |
| 4:27.88i | 7 | Dani Jones (2) | NYRR Wanamaker Mile, NY | 02/08/20 |
| 4:28.06# | 3 | Hanna Green (OR) | UW Invitational, WA | 02/01/20 |
* = U.S. indoor record (previous record, 4:20.5, Mary Slaney (OR), San Diego, CA, 02/19/82) and U.S. All-Comers indoor record (previous record, 4:17.14, Doina Melinte (ROM), East Rutherford, NJ, 02/09/90)
i = indoors
# = oversized track >200m
All-Time Mile: indoors & outdoors HERE.
Back to Annual lists page HERE.
