On 28 September 2026, Jian-Rong Chen (Taiwan) ran their 400 metres hurdles in 49.25 seconds at Nagoya (20th Asian Games). It's also their new personal best.
| 17.45 |
| 9.04 |
14 R |
R |
| H5 | 3.98(+0.11) | 21.43 | 8.79 | 14 L | L |
| H6 | 4.16(+0.18) | 25.59 | 8.41 | 14 R | R |
| H7 | 4.47(+0.31) | 30.06 | 7.83 | 15 R | R |
| H8 | 4.50(+0.03) | 34.56 | 7.78 | 15 R | R |
| H9 | 4.65(+0.15) | 39.21 | 7.53 | 15 R | R |
| H10 | 4.68(+0.03) | 43.89 | 7.48 | 15 R | R |
| Finish | 5.36 | 49.25 | 7.46 | — — | — |
Avg. interval
4.21s
Std. deviation
0.36
Deceleration
Stride pattern
New personal best!
Fastest interval: 3.67s (H2–H3).
Deceleration of 10.5% between the first half (8.63 m/s) and the second half (7.73 m/s).
Steady stride pattern.
Lead leg alternation: 4× Left, 6× Right.