- 400m hurdles Championship 35th PR55.51a
Athlete
Ryder Von Guenthner
· 2026
Personal records
| Event | PR | Where | 2026 | Furthest |
|---|---|---|---|---|
| 400m hurdles · 1 | 55.51a | Nike Outdoor Nationals & USATF U20 Championships · Jun 18, 2026 | 55.51a |
Athlete
· 2026
| Event | PR | Where | 2026 | Furthest |
|---|---|---|---|---|
| 400m hurdles · 1 | 55.51a | Nike Outdoor Nationals & USATF U20 Championships · Jun 18, 2026 | 55.51a |