- 400m U20 · Prelims 16th PR55.16a
Athlete
Mykenzie Britton
James Madison · 2026
Personal records
| Event | PR | Where | 2026 | Furthest |
|---|---|---|---|---|
| 400m · 1 | 55.16a | Nike Outdoor Nationals & USATF U20 Championships · Jun 18, 2026 | 55.16a |
2026
James Madison · 1 meet
Athlete
James Madison · 2026
| Event | PR | Where | 2026 | Furthest |
|---|---|---|---|---|
| 400m · 1 | 55.16a | Nike Outdoor Nationals & USATF U20 Championships · Jun 18, 2026 | 55.16a |
James Madison · 1 meet