On 16 July 2023, Mariya Buryak (Ukraine) ran their 400 metres hurdles in 56.92 seconds at Espoo (Europe Championships U23).
| 19.86 |
| 7.88 |
15 L |
L |
| H5 | 4.56(+0.12) | 24.42 | 7.68 | 15 L | L |
| H6 | 4.80(+0.24) | 29.22 | 7.29 | 16 R | R |
| H7 | 4.96(+0.16) | 34.18 | 7.06 | 16 L | L |
| H8 | 5.28(+0.32) | 39.46 | 6.63 | 17 L | L |
| H9 | 5.48(+0.20) | 44.94 | 6.39 | 18 R | R |
| H10 | 5.68(+0.20) | 50.62 | 6.16 | 18 L | L |
| Finish | 6.30 | 56.92 | 6.35 | — — | — |
Avg. interval
4.87s
Std. deviation
0.48
Deceleration
Stride pattern
Fastest interval: 4.28s (H2–H3).
Deceleration of 12.7% between the first half (7.58 m/s) and the second half (6.62 m/s).
Stutter on H9.
Lead leg alternation: 8× Left, 2× Right.