On 30 June 2026, David Moulongou (Canada) ran their 400 metres hurdles in 50.15 seconds at Montréal (Montréal Meeting).
| 18.16 |
| 8.47 |
14 R |
R |
| H5 | 4.10(-0.03) | 22.26 | 8.54 | 13 R | R |
| H6 | 4.33(+0.23) | 26.59 | 8.08 | 14 L | L |
| H7 | 4.43(+0.10) | 31.02 | 7.90 | 14 R | R |
| H8 | 4.63(+0.20) | 35.65 | 7.56 | 14 L | L |
| H9 | 4.63(0.00) | 40.28 | 7.56 | 14 R | R |
| H10 | 4.77(+0.14) | 45.05 | 7.34 | 15 R | R |
| Finish | 5.10 | 50.15 | 7.84 | — — | — |
Avg. interval
4.33s
Std. deviation
0.29
Deceleration
Stride pattern
Very consistent intervals (σ=0.29s).
Fastest interval: 3.87s (H2–H3).
Excellent fatigue resistance: only 7.2% speed loss between the first and second halves (8.31 → 7.71 m/s).
Stutter on H10.
Lead leg alternation: 4× Left, 6× Right.