On 19 July 2026, Markuss Celms (Latvia) ran their 400 metres hurdles in 51.47 seconds at Rieti (Europe Championships U18). It's also their new personal best.
| 18.33 |
| 8.41 |
13 L |
L |
| H5 | 4.32(+0.16) | 22.65 | 8.10 | 14 R | R |
| H6 | 4.52(+0.20) | 27.17 | 7.74 | 14 L | L |
| H7 | 4.68(+0.16) | 31.85 | 7.48 | 15 L | L |
| H8 | 4.72(+0.04) | 36.57 | 7.42 | 15 L | L |
| H9 | 4.72(0.00) | 41.29 | 7.42 | 15 L | L |
| H10 | 4.80(+0.08) | 46.09 | 7.29 | 15 L | L |
| Finish | 5.38 | 51.47 | 7.43 | — — | — |
Avg. interval
4.43s
Std. deviation
0.32
Deceleration
Stride pattern
New personal best!
Fastest interval: 3.88s (H2–H3).
Excellent fatigue resistance: only 8.7% speed loss between the first and second halves (8.17 → 7.46 m/s).
Stutter on H5.
Lead leg alternation: 9× Left, 1× Right.