| Event / course | Mark | Meet | Date |
|---|---|---|---|
| 400 Meters · OutdoorAAU Regional 25 Qualifier · Jun 28 | 55.42 | AAU Regional 25 Qualifier | June 28, 2018 |
Best marks from the meets included here. Cross Country bests are grouped by course and distance.
| Date | Meet | Event | Pl | Mark | Gr |
|---|---|---|---|---|---|
| Jun 28 | AAU Regional 25 QualifierJun 28 · 400 Meters · Place 10 · Johnson | 400 Meters | 10 | 55.42 PB | — |