Africa record · Nezha Bidouane, 52.90s - World Championships, Séville 1999

IntervalsSpeed and time, sector by sector

Nezha Bidouane52.90s

Detailed race data

Sectors	Splits	Cumulative	Speed (m/s)	StridesStrides · Lead	Lead leg
Start - H1	6.16	6.16	7.31	— L	L
H2	4.20	10.36	8.33	— L	L
H3	4.40(+0.20)	14.76	7.95	— R	R
H4

Max speed

8.33m/s

Avg speed

7.56m/s

Std. deviation

0.23s

StridesRhythm and lead leg

Nezha Bidouane52.90s

Stride pattern

Stride count and lead leg, hurdle by hurdle

Strong legWeak leg

N/A

N/AL

N/AR

N/AL

N/A

17L

H1H2H3H4H5H6H7H8H9H10

Preferred lead legRight

Hurdles per lead leg

1Strong leg

8Weak leg

0 Stride change

Constant rhythm: no change in stride count.

BenchmarkRanking and references

Nezha Bidouane52.90s

Benchmark

Percentile position, sector by sector

Top 20%

52.90s

Slower55.99sFaster50.37s

Faster than 80% of 400m hurdles Elite-level.

Actual percentile: 80

n = 146 races · 64 athletes

Sector breakdown

Below medianAverageAbove

Start - H16.16s

H24.20s

H34.40s

H44.33s

H54.49s

H64.54s

H74.76s

H84.81s

H94.85s

H104.81s

Finish5.55s

Regularity

Very steady rhythm

Position within the pacing-consistency distribution (a higher value isn't necessarily a better race).

Deceleration

Little speed loss

Position within the speed-loss distribution between the two race halves (a low value isn't always better pacing).

Technical cleanliness

—

Hurdle fault rate, compared to the database.

Compare performance

52.90s

On the same pattern

Targets to chase

ContextOpponents, history and analysis

Nezha Bidouane52.90s

Personal performances

Race context

On 25 August 1999, Nezha Bidouane (Morocco) ran their 400 metres hurdles in 52.90 seconds at Séville (World Championships).

On 4h/world, this time earns Nezha a Top 8% World ranking.

This performance is the records:

Africa record
Morocco record

Race signature

Avg. interval

4.58s

Std. deviation

0.23

Deceleration

1st half7.85m/s

6.5%

2nd half7.33m/s

Stride pattern

H1H5H10

Technical insights

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.