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Athlete profile Alison DOS SANTOS
BrazilPersonal best45.80sWR
World record45.80sSouth America record45.80s
Brazil record45.80s
South America record U2346.29sSouth America record U2048.28sRaces11
Average time46.81s
Progression+0.92s
Best performance by year
Personal best
Recorded race history
400m haies
| Competition | Time | Venue | Date | Age | Place | |
|---|---|---|---|---|---|---|
| Diamond League | 46.70s | Bruxelles | 05 Sept 2026 | 26 | 1 | View race |
| Diamond League | WRARNRPB45.80s | Zürich | 27 Aug 2026 | 26 | 1 | View race |
| Diamond League | 46.43s | Chorzów | 23 Aug 2026 | 26 | 1 | View race |
| Diamond League | 46.89s | Oslo | 10 Jun 2026 | 26 | 1 | View race |
| Diamond League | 47.11s | Stockholm | 07 Jun 2026 | 26 | 1 | View race |
| World Championships | 46.84s | Tokyo | 18 Aug 2025 | 25 | 2 | View race |
| Olympic Games | 47.26s | Paris | 09 Aug 2024 | 24 | 3 | View race |
| Diamond League | 47.66s | Monaco | 21 Jul 2023 | 23 | 2 | View race |
| World Championships | 46.29s | Eugene | 19 Jul 2022 | 22 | 1 | View race |
| Diamond League | 47.23s | Eugene | 28 May 2022 | 21 | 1 | View race |
| Olympic Games | 46.72s | Tokyo | 17 Aug 2021 | 21 | 3 | View race |
Race signature
Average intervals computed over 11 races
D-H15.77sL
H1-H23.62sL
H2-H33.64sR
H3-H43.65sL
H4-H53.80sR
H5-H63.95sL
H6-H74.10sL
H7-H84.21sL
H8-H94.38sL
H9-H104.51sL
H10-Arr.5.17s
Sector records
The best theoretical time, built by summing the fastest intervals.
Theoretical potential45.44s
Personal best45.80s
Margin+0.36s
D-H15.69s
H1-H23.52s
H2-H33.56s
H3-H43.51s
H4-H53.71s
H5-H63.81s
H6-H74.04s
H7-H84.03s
H8-H94.23s
H9-H104.32s
H10-Arr.5.02s
About Alison Dos Santos
Alison Dos Santos (26 years old, Brazil) is an athlete who specialises in the 400 metres hurdles, born on 3 June 2000.
With a personal best of 45.80 seconds, Alison has run 11 analysed races on 4h/world, improving by 0.92 seconds since their first recorded race. This time is the world record in the event.
Alison Dos Santos holds the following records in the 400 metres hurdles:
- World record: 45.80s
- South America record: 45.80s
- Brazil record: 45.80s
- South America record U23: 46.29s
- South America record U20: 48.28s
Their preferred race plan is a 13-stride start up to hurdle 2, 12 strides up to hurdle 6, then a 13-stride finish.
Based on their best recorded intervals, Alison's theoretical potential is estimated at 45.44 seconds, a 0.36-second margin over their current personal best.