On 9 August 2026, Taiju Goto (Japan) ran their 400 metres hurdles in 49.23 seconds at Eugene (World Championships U20).
| 17.79 |
| 8.82 |
13 R |
R |
| H5 | 4.16(+0.19) | 21.95 | 8.41 | 13 R | R |
| H6 | 4.17(+0.01) | 26.12 | 8.39 | 13 R | R |
| H7 | 4.33(+0.16) | 30.45 | 8.08 | 13 R | R |
| H8 | 4.37(+0.04) | 34.82 | 8.01 | 15 R | R |
| H9 | 4.53(+0.16) | 39.35 | 7.73 | 15 R | R |
| H10 | 4.53(0.00) | 43.88 | 7.73 | 15 R | R |
| Finish | 5.35 | 49.23 | 7.48 | — — | — |
Avg. interval
4.21s
Std. deviation
0.23
Deceleration
Stride pattern
Very consistent intervals (σ=0.23s).
Fastest interval: 3.83s (H2–H3).
Excellent fatigue resistance: only 6.5% speed loss between the first and second halves (8.43 → 7.88 m/s).
Steady stride pattern.