400m Hurdles|52.90sPBNR
Total time
Avg. interval
4.58s
Std. deviation
0.23
Deceleration
Stride pattern
New personal best!
New national record!
New area record!
Very consistent intervals (σ=0.23s).
Fastest interval: 4.2s (H2–H3).
Excellent fatigue resistance: only 6.5% speed loss between the first and second halves (7.85 → 7.33 m/s).
Lead leg alternation: 8× Left, 1× Right.
Stride count and lead leg, hurdle by hurdle
check_circleConstant rhythm: no change in stride count.
Your splits vs a reference based on S. McLaughlin-Levrone · 50.37s
Negative gap = ahead of the reference (fast start), positive = behind. The reference distributes the target time like the reference performance.
Closest opponent by time
On 25 August 1999, Nezha Bidouane (Morocco) ran their 400 metres hurdles in 52.90 seconds at Séville (World Championships).
This performance is the records: