On 25 August 2015, Kerron Clement (United States) ran their 400 metres hurdles in 48.18 seconds at Pékin (World Championships).
On 4h/world, this time earns Kerron a Top 26% World ranking.
| 17.24 |
| 9.31 |
13 R |
R |
| H5 | 3.96(+0.20) | 21.20 | 8.84 | 13 R | R |
| H6 | 4.08(+0.12) | 25.28 | 8.58 | 13 R | R |
| H7 | 4.12(+0.04) | 29.40 | 8.50 | 13 R | R |
| H8 | 4.28(+0.16) | 33.68 | 8.18 | 13 R | R |
| H9 | 4.56(+0.28) | 38.24 | 7.68 | 15 R | R |
| H10 | 4.76(+0.20) | 43.00 | 7.35 | 15 R | R |
| Finish | 5.18 | 48.18 | 7.72 | — — | — |
Avg. interval
4.11s
Std. deviation
0.35
Deceleration
Stride pattern
Fastest interval: 3.68s (H3–H4).
Excellent fatigue resistance: only 8.7% speed loss between the first and second halves (8.73 → 7.97 m/s).
Stutter on H9, H10.
All-time fastest sectors
All-time slowest sectors
Max speed
9.51m/s
Avg speed
8.30m/s
Std. deviation
0.35s