On 17 August 2021, Abderrahman Samba (Qatar) ran their 400 metres hurdles in 47.12 seconds at Tokyo (Olympic Games).
On 4h/world, this time earns Abderrahman a Top 5% World ranking.
| 16.94 |
| 9.41 |
13 R |
R |
| H5 | 3.84(+0.12) | 20.78 | 9.11 | 13 R | R |
| H6 | 4.08(+0.24) | 24.86 | 8.58 | 13 R | R |
| H7 | 4.12(+0.04) | 28.98 | 8.50 | 13 R | R |
| H8 | 4.24(+0.12) | 33.22 | 8.25 | 13 R | R |
| H9 | 4.32(+0.08) | 37.54 | 8.10 | 14 L | L |
| H10 | 4.44(+0.12) | 41.98 | 7.88 | 14 R | R |
| Finish | 5.14 | 47.12 | 7.78 | — — | — |
Avg. interval
4.01s
Std. deviation
0.28
Deceleration
Stride pattern
Very consistent intervals (σ=0.28s).
Fastest interval: 3.64s (H3–H4).
Excellent fatigue resistance: only 8.3% speed loss between the first and second halves (8.9 → 8.16 m/s).
Steady stride pattern.
Lead leg alternation: 1× Left, 9× Right.
All-time fastest sectors
All-time slowest sectors
Max speed
9.62m/s
Avg speed
8.49m/s
Std. deviation
0.28s