On 20 June 2026, David Moulongou (Canada) ran their 400 metres hurdles in 50.09 seconds at Ottawa (Canada Championships).
| 17.77 |
| 8.60 |
14 R |
R |
| H5 | 4.20(+0.13) | 21.97 | 8.33 | 14 L | L |
| H6 | 4.33(+0.13) | 26.30 | 8.08 | 14 R | R |
| H7 | 4.40(+0.07) | 30.70 | 7.95 | 14 L | L |
| H8 | 4.63(+0.23) | 35.33 | 7.56 | 14 R | R |
| H9 | 4.66(+0.03) | 39.99 | 7.51 | 14 L | L |
| H10 | 4.77(+0.11) | 44.76 | 7.34 | 14 R | R |
| Finish | 5.33 | 50.09 | 7.50 | — — | — |
Avg. interval
4.32s
Std. deviation
0.31
Deceleration
Stride pattern
Fastest interval: 3.86s (H2–H3).
Excellent fatigue resistance: only 9.2% speed loss between the first and second halves (8.42 → 7.65 m/s).
Lead leg alternation: 5× Left, 4× Right.