On 9 June 2017, Mickael Bertil (France) ran their 400 metres hurdles in 52.89 seconds at Albi (France Championships).
| 18.98 |
| 8.41 |
14 L |
L |
| H5 | 4.28(+0.12) | 23.26 | 8.18 | 14 R | R |
| H6 | 4.36(+0.08) | 27.62 | 8.03 | 14 L | L |
| H7 | 4.64(+0.28) | 32.26 | 7.54 | 15 L | L |
| H8 | 4.80(+0.16) | 37.06 | 7.29 | 15 L | L |
| H9 | 4.76(-0.04) | 41.82 | 7.35 | 15 L | L |
| H10 | 4.68(-0.08) | 46.50 | 7.48 | 15 L | L |
| Finish | 6.39 | 52.89 | 6.26 | — — | — |
Avg. interval
4.44s
Std. deviation
0.26
Deceleration
Stride pattern
Very consistent intervals (σ=0.26s).
Fastest interval: 4.08s (H2–H3).
Excellent fatigue resistance: only 8.8% speed loss between the first and second halves (7.95 → 7.26 m/s).
Steady stride pattern.
Hurdle fault on H10.
Lead leg alternation: 7× Left, 3× Right.