On 5 July 2026, Liv Gourdon (France) ran their 400 metres hurdles in 65.83 seconds at Montgeron (Regional Championships U20).
L |
| H4 | 5.35(+0.17) | 23.15 | 6.54 | 18 R | R |
| H5 | 5.51(+0.16) | 28.66 | 6.35 | 18 L | L |
| H6 | 5.58(+0.07) | 34.24 | 6.27 | 18 R | R |
| H7 | 5.95(+0.37) | 40.19 | 5.88 | 17 R | R |
| H8 | 5.98(+0.03) | 46.17 | 5.85 | 19 R | R |
| H9 | 6.11(+0.13) | 52.28 | 5.73 | 19 R | R |
| H10 | 6.41(+0.30) | 58.69 | 5.46 | 20 L | L |
| Finish | 7.14 | 65.83 | 5.60 | — — | — |
Avg. interval
5.67s
Std. deviation
0.45
Deceleration
Stride pattern
Fastest interval: 4.95s (H2–H3).
Deceleration of 10.4% between the first half (6.45 m/s) and the second half (5.78 m/s).
Stutter on H3, H10.
Lead leg alternation: 3× Left, 7× Right.