American Masters 40-44 Outdoor Track & Field Records
| pending | |
| women-only |
Last updated: 07/10/2019
Men 40-44
| Event | Performance | Name | Location | Date |
| 15,000 m | 48:08 | Earl Owens (43) | Decatur, GA | 1993-Feb-06 |
| 10 mi. | 51:48 | Earl Owens (43) | Decatur, GA | 1993-Feb-06 |
| 20,000 m | 1:04:47.2 | John Mitchell (40) | McMinnville, OR | 2013-Sep-13 |
| 25,000 m | 1:29:42.4 | John Loeschhorn (41) | Norwalk, CA | 1985-Dec-26 |
| 30,000 m | 1:47:32.3 | John Loeschhorn (41) | Norwalk, CA | 1985-Dec-26 |
| 20 mi. | 1:55:50 | John Loeschhorn (41) | Norwalk, CA | 1985-Dec-26 |
| 50,000 m | 3:11:34.4 | John Loeschhorn (41) | Norwalk, CA | 1985-Dec-26 |
| 50 mi. | 5:42:03 | Peter Jeffers (40) | Hannibal, NY | 1979-Jul-07 |
| 100,000 m | 7:14:17 | Warren Finke (41) | Gladstone, OR | 1983-Sep-10 |
| 100 mi. | 12:27:00 | Bernd Heinrich (44) | Ottawa, CAN | 1984-May-19 |
| 200,000 m | 18:05:35 | Roy Pirrung (43) | Portland, OR | 1991-Sep-28 |
| 1 hr. | 18,586 m | Earl Owens (43) | Decatur, GA | 1993-Feb-06 |
| 2 hr. | 33,200 m | John Loeschhorn (41) | Norwalk, CA | 1985-Dec-26 |
| 12 hr. | 154,000 m | Bernd Heinrich (44) | Ottawa, CAN | 1984-May-19 |
| 24 hr. | 252,308 m | Bernd Heinrich (43) | Brunswick, ME | 1983-Sep-03 |
| 253,615 m (p) | Jacob Jackson (41) | Phoenix, AZ | 2018-Dec-09 | |
| 48 hr. | 372,140 m | John Geesler (43) | Dallas, TX | 2002-Nov-29 |
| 144 hr. | 891,576 m | George Gardiner (42) | New York, NY | 1984-Jul-02 |
Women 40-44
| Event | Performance | Name | Location | Date |
| 15,000 m | 59:46.6 (f) | Regina Loiacano (42) | Lynn, MA | 2015-Aug-14 |
| 10 mi. | 1:04:38.8 | Karen Bestul (42) | Lincoln, NE | 1984-Nov-18 |
| 20,000 m | 1:25:04 | Kristina Pham (44) | Phoenix, AZ | 2016-Dec-10 |
| 25,000 m | 1:48:40 | Kristina Pham (44) | Phoenix, AZ | 2016-Dec-10 |
| 30,000 m | 2:12:08 | Kristina Pham (44) | Phoenix, AZ | 2016-Dec-10 |
| 20 mi. | 2:22:12 | Kristina Pham (44) | Phoenix, AZ | 2016-Dec-10 |
| 50,000 m | 3:47:13 | Ann Trason (40) | Queen Creek, AZ | 2000-Dec-31 |
| 50 mi. | 6:25:16 | Ann Trason (40) | Queen Creek, AZ | 2000-Dec-31 |
| 100,000 m | 8:22:27 | Ann Trason (40) | Queen Creek, AZ | 2000-Dec-31 |
| 100 mi. | 15:53:11 | Traci Falbo (43) | Phoenix, AZ | 2014-Dec-14 |
| 14:09:43 | Pam Smith (41) | Sharon Hill, PA | 2016-May-14 | |
| 200,000 m | 18:47:28 | Pam Smith (41) | Sharon Hill, PA | 2016-May-14 |
| 1 hr. | 16,074 m (f) | Regina Loiacano (42) | Lynn, MA | 2015-Aug-14 |
| 2 hr. | 22,800 m | Kay Moore (41) | Millersville, PA | 1984-Jul-21 |
| 12 hr. | 142,000 m | Pam Smith (41) | Sharon Hill, PA | 2016-May-14 |
| 24 hr. | 237,662 m | Traci Falbo (43) | Phoenix, AZ | 2014-Dec-14 |
| 48 hr. | 354,669 m | Pam Reed (43) | Surgeres, FRA | 2004-May-28 |