400 m hurdles - Top list - Under 20 Man
| # | Athlete | Cat. | Date | Result |
|---|---|---|---|---|
| 1 | Juliet Koelpin | U20M | 09/02/2023 | 38:13.879 |
| 2 | Juliet Koelpin | U20M | 08/10/2022 | 2:23:45.898 |
| 3 | Breana Harber | U20M | 07/10/2021 | 7:53:55.963 |
| 4 | Emery Kiehn | U20M | 08/04/2026 | 12:31:19.125 |
| 5 | Joanie Cummerata | U20M | 23/10/2020 | 12:48:51.387 |
| 6 | Joanie Cummerata | U20M | 22/04/2024 | 13:54:49.455 |
| 7 | Juliet Koelpin | U20M | 20/12/2018 | 16:59:37.725 |
| 8 | Juliet Koelpin | U20M | 03/12/2024 | 17:29:04.762 |