On 25 July 2026, Brian Brito (Spain) ran their 400 metres hurdles in 52.39 seconds at Málaga (Spain Championships).
| 18.60 |
| 8.03 |
15 R |
R |
| H5 | 4.40(+0.04) | 23.00 | 7.95 | 15 R | R |
| H6 | 4.68(+0.28) | 27.68 | 7.48 | 15 R | R |
| H7 | 4.79(+0.11) | 32.47 | 7.31 | 15 R | R |
| H8 | 4.85(+0.06) | 37.32 | 7.22 | 15 R | R |
| H9 | 4.96(+0.11) | 42.28 | 7.06 | 15 R | R |
| H10 | 4.88(-0.08) | 47.16 | 7.17 | 15 R | R |
| Finish | 5.23 | 52.39 | 7.65 | — — | — |
Avg. interval
4.55s
Std. deviation
0.34
Deceleration
Stride pattern
Fastest interval: 3.96s (H2–H3).
Excellent fatigue resistance: only 9.1% speed loss between the first and second halves (8.04 → 7.32 m/s).
Steady stride pattern.