- 400m Middle School 53rd PR55.05a
Athlete
Billy Stallcup-Wright
· 2026
Personal records
| Event | PR | Where | 2026 | Furthest |
|---|---|---|---|---|
| 400m · 1 | 55.05a | Nike Outdoor Nationals & USATF U20 Championships · Jun 18, 2026 | 55.05a |
Athlete
· 2026
| Event | PR | Where | 2026 | Furthest |
|---|---|---|---|---|
| 400m · 1 | 55.05a | Nike Outdoor Nationals & USATF U20 Championships · Jun 18, 2026 | 55.05a |