On 28 September 2026, Mariam Kareem (United Arab Emirates) ran their 400 metres hurdles in 54.31 seconds at Nagoya (20th Asian Games). It's also their new personal best.
On 4h/world, this time earns Mariam a Top 24% World ranking.
| 19.78 |
| 7.90 |
17 L |
L |
| H5 | 4.63(+0.20) | 24.41 | 7.56 | 17 L | L |
| H6 | 4.57(-0.06) | 28.98 | 7.66 | 15 L | L |
| H7 | 4.67(+0.10) | 33.65 | 7.49 | 15 L | L |
| H8 | 4.78(+0.11) | 38.43 | 7.32 | 15 L | L |
| H9 | 5.07(+0.29) | 43.50 | 6.90 | 16 R | R |
| H10 | 5.13(+0.06) | 48.63 | 6.82 | 16 L | L |
| Finish | 5.68 | 54.31 | 7.04 | — — | — |
Avg. interval
4.67s
Std. deviation
0.27
Deceleration
Stride pattern
New personal best!
Very consistent intervals (σ=0.27s).
Fastest interval: 4.22s (H2–H3).
Very low deceleration (5.1%: 7.58 → 7.19 m/s), a likely sign of an over-managed first half.
Steady stride pattern.
Hurdle fault on H9.
Lead leg alternation: 8× Left, 2× Right.