On 11 July 2019, Masaki Toyoda (Japan) ran their 400 metres hurdles in 49.27 seconds at Napoli (Universiade).
| 17.86 |
| 8.75 |
14 R |
R |
| H5 | 4.07(+0.07) | 21.93 | 8.60 | 14 L | L |
| H6 | 4.19(+0.12) | 26.12 | 8.35 | 14 R | R |
| H7 | 4.22(+0.03) | 30.34 | 8.29 | 14 L | L |
| H8 | 4.33(+0.11) | 34.67 | 8.08 | 15 L | L |
| H9 | 4.56(+0.23) | 39.23 | 7.68 | 15 L | L |
| H10 | 4.59(+0.03) | 43.82 | 7.63 | 15 L | L |
| Finish | 5.45 | 49.27 | 7.34 | — — | — |
Avg. interval
4.20s
Std. deviation
0.24
Deceleration
Stride pattern
Very consistent intervals (σ=0.24s).
Fastest interval: 3.89s (H2–H3).
Excellent fatigue resistance: only 6.8% speed loss between the first and second halves (8.44 → 7.86 m/s).
Steady stride pattern.
Lead leg alternation: 7× Left, 3× Right.