| Event / course | Mark | Meet | Date |
|---|---|---|---|
| 400 Meters · OutdoorLos Angeles Olympics 1984 · Aug 3 | 45.62a | Los Angeles Olympics 1984 | August 3, 1984 |
Best marks from the meets included here. Cross Country bests are grouped by course and distance.
| Date | Meet | Event | Pl | Mark | Gr |
|---|---|---|---|---|---|
| Mar 6 | Indianapolis World Indoor Championships 1987Mar 6 · 400 Meters · Place 4 · Kenya | 400 MetersRound P | 4. | 47.90a | - |
| Date | Meet | Event | Pl | Mark | Gr |
|---|---|---|---|---|---|
| Aug 3 | Los Angeles Olympics 1984Aug 3 · 400 Meters · Place 2 · Kenya | 400 MetersRound P | 2. | 46.25a | - |
| Aug 3 | Los Angeles Olympics 1984Aug 3 · 400 Meters · Place 2 · Kenya | 400 MetersRound Q | 2. | 45.78a | - |
| Aug 3 | Los Angeles Olympics 1984Aug 3 · 400 Meters · Place 7 · Kenya | 400 MetersRound S | 7. | 45.62a PB | - |