South America record · Gianna Woodruff, 52.66s - World Championships, Tokyo 2025

IntervalsSpeed and time, sector by sector

Gianna Woodruff52.66s

Detailed race data

Sectors	Splits	Cumulative	Speed (m/s)	StridesStrides · Lead	Lead leg
Start - H1	6.37	6.37	7.06	22 L	L
H2	4.03	10.40	8.68	14 R	R
H3	4.13(+0.10)	14.53	8.47	14 L	L
H4	4.21

Max speed

8.68m/s

Avg speed

7.60m/s

Std. deviation

0.35s

Compared to their other races

All-time fastest sectors

H44.21
H64.37
H84.73
H95.03
H105.03

All-time slowest sectors

H24.03
H34.13
H54.50
H74.67

StridesRhythm and lead leg

Gianna Woodruff52.66s

Stride pattern

Stride count and lead leg, hurdle by hurdle

Strong legWeak leg

22L

14R

14L

15L

16R

H1H2H3H4H5H6H7H8H9H10

Preferred lead legLeft

Total strides156

Hurdles per lead leg

8Strong leg

2Weak leg

2 Stride changes

H3-H41415

H9-H101516

BenchmarkRanking and references

Gianna Woodruff52.66s

Benchmark

Percentile position, sector by sector

Top 12%

52.66s

Slower55.99sFaster50.37s

Faster than 88% of 400m hurdles Elite-level.

Actual percentile: 88

n = 146 races · 65 athletes

Sector breakdown

Below medianAverageAbove

Start - H16.37s

H24.03s

H34.13s

H44.21s

H54.50s

H64.37s

H74.67s

H84.73s

H95.03s

H105.03s

Finish5.59s

Regularity

Average

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

52.66s

On the same pattern

Targets to chase

ContextOpponents, history and analysis

Gianna Woodruff52.66s

Personal performances

Latest races

Race context

On 17 September 2025, Gianna Woodruff (Panama) ran their 400 metres hurdles in 52.66 seconds at Tokyo (World Championships).

On 4h/world, this time earns Gianna a Top 5% World ranking.

This performance is the records:

South America record
Panama record

Race signature

Avg. interval

4.52s

Std. deviation

0.35

Deceleration

1st half7.96m/s

8.2%

2nd half7.31m/s

Stride pattern

StartH3H10

Technical insights

New personal best!
New national record!
New area record!
Fastest interval: 4.03s (H2–H3).
Excellent fatigue resistance: only 8.2% speed loss between the first and second halves (7.96 → 7.31 m/s).
Steady stride pattern.
Lead leg alternation: 8× Left, 2× Right.