On 26 July 2026, Romy Dannenburg (Netherlands) ran their 400 metres hurdles in 59.25 seconds at Hengelo (Netherlands Championships).
| 20.49 |
| 7.58 |
16 L |
L |
| H5 | 4.74(+0.12) | 25.23 | 7.38 | 16 R | R |
| H6 | 5.04(+0.30) | 30.27 | 6.94 | 16 L | L |
| H7 | 5.40(+0.36) | 35.67 | 6.48 | 17 L | L |
| H8 | 5.62(+0.22) | 41.29 | 6.23 | 18 R | R |
| H9 | 5.54(-0.08) | 46.83 | 6.32 | 17 R | R |
| H10 | 5.58(+0.04) | 52.41 | 6.27 | 17 R | R |
| Finish | 6.84 | 59.25 | 5.85 | — — | — |
Avg. interval
5.06s
Std. deviation
0.46
Deceleration
Stride pattern
Fastest interval: 4.42s (H2–H3).
Deceleration of 13.8% between the first half (7.33 m/s) and the second half (6.32 m/s).
Steady stride pattern.
Lead leg alternation: 4× Left, 6× Right.