Alison dos Santos BRA   
Date of birth: 3 June 00
Age: 23 years 321 days
Height: 193 cm
Weight: 79 kg
400m Hurdles World Champion 2022
400m Hurdles Olympic Bronze Medallist 2021
400m Hurdles 5th at World Championships 2023
400m Hurdles 7th at World Championships 2019
400m Hurdles World Junior Championships Bronze Medallist 2018
400m Hurdles Pan American Games Champion 2019
400m Hurdles World University Games Champion 2019
400m Hurdles (84cm) 5th at World Youth Championships 2017
400m World Junior Alltime no. 186 45.78 Cali 15 Jun 2019
400m World Alltime no. 121 44.54 Walnut CA 16 Apr 2022
400m Hurdles World Junior Alltime no. 5 48.28 Doha 30 Sep 2019
400m Hurdles World Alltime no. 3 46.29 Eugene OR 19 Jul 2022

▲PROGRESSION

Personal bests in BOLD.

 
200m
Outdoor Alltime  Show/hide
2017  21.71w -0.3  1rBFlorianópolis6 May
2018  21.96w  +0.4  5São Paulo24 Mar
 
400m
Outdoor Alltime  Show/hide
2016  48.57w    3-17São Bernardo do Campo16 Oct
2017  47.55w    1São Bernardo do Campo24 Nov
2018  45.97w    2Cuenca29 Sep
2019  45.78w    1-19Cali15 Jun
2021  45.78w    1Chula Vista CA3 Apr
2022  44.54w    2Walnut CA16 Apr
2023  44.73w    3Chorzów16 Jul
2024  45.25w    1Gainesville FL30 Mar
 
200m Hurdles Straight
Outdoor Alltime  Show/hide
2021  22.12w -0.6  1Boston MA23 May
 
400m Hurdles (84cm)
Outdoor Alltime  Show/hide
2016  53.42w    3-17São Bernardo do Campo15 Oct
2017  52.45w    1-17Bragança Paulista25 Jun
 
400m Hurdles
Outdoor Alltime  Show/hide
2017  53.82w    5São Bernardo do Campo24 Nov
2018  49.78w    3-19Tampere14 Jul
2019  48.28w   AU20R 7Doha30 Sep
2021  46.72w   AR 3Tokyo3 Aug
2022  46.29w   AR 1Eugene OR19 Jul
2023  47.38w    2s2Budapest21 Aug
 
4 x 400m
Outdoor Alltime  Show/hide
2018  3:04.32w    1Bragança Paulista16 Sep
2019  3:04.13w    2Lima26 May
2024  3:02.99w    2Gainesville FL30 Mar
 
4 x 400m Mixed relay
Outdoor Alltime  Show/hide
2021  3:16.53w    1h3Chorzów1 May

▲IN MAJOR EVENTS

 
Outdoor
400m
SAmC 2018: 245.97
SAmC 2019: 1-1945.78
400m Hurdles (84cm)
WY 2017: 5-1753.98A 1h3-1752.95A
400m Hurdles
SAmC 2018: 150.56
WJ 2018: 3-1949.78 1s1-1950.90 2h4-1951.08
PAG 2019: 148.45 2h149.74
SAmC 2019: 149.89
WC 2019: 748.28 1s148.35 2h249.66
WUG 2019: 148.57 2s249.72 2h351.05
OG 2021: 346.72 1s247.31 2h148.42
WC 2022: 146.29 1s247.85 1h249.41
WC 2023: 548.10 2s247.38 1h148.12
4 x 400m
SAmC 2018: 23:09.90
SAmC 2019: 23:04.13

▲PERSONAL BESTS

note: click on event name to get head to head stats against another athlete,
click on indoor/outdoor to see PB progression.

 
200m
Outdoor21.71  -0.3 Florianópolis6 May 2017
 
400m
   races under 45 seconds: 2   
Outdoor44.54    Walnut CA16 Apr 2022
 
200m Hurdles Straight
Winstreak: 1 (finals)  Show/hide   
Outdoor22.12  -0.6 Boston MA23 May 2021
 
400m Hurdles (84cm)
Winstreak: 1 (finals)  Show/hide   
Outdoor52.45    Bragança Paulista25 Jun 2017
 
400m Hurdles
   races under 48.50: 34   
Outdoor46.29    AREugene OR19 Jul 2022
 
4 x 400m
Outdoor3:04.32    Bragança Paulista16 Sep 2018

▲AVERAGES & 10 BEST RESULTS

400m Hurdles, 10 best results (legal):
46.29   1Eugene OR19 Jul 2022
46.72   3Tokyo3 Aug 2021
46.80   1Stockholm/S30 Jun 2022
46.98   1Zürich8 Sep 2022
47.23   1Eugene OR28 May 2022
47.24   1Doha13 May 2022
47.26   1Oslo16 Jun 2022
47.31   1s2Tokyo1 Aug 2021
47.34   1Stockholm/S4 Jul 2021
47.38   2Oslo1 Jul 2021
 
Average: 47.055
 
400m, 10 best results (legal):
44.54   2Walnut CA16 Apr 2022
44.73   3Chorzów16 Jul 2023
45.11   2Székesfehérvár8 Aug 2022
45.25   1Gainesville FL30 Mar 2024
45.25   2Gainesville FL13 Apr 2024
45.78   1-19Cali15 Jun 2019
45.78   1Chula Vista CA3 Apr 2021
45.97   2Cuenca29 Sep 2018
46.09   1São Paulo2 Mar 2019
46.24   1São Bernardo do Campo2 Jun 2018
 
Average: 45.474
 

Total results in db: 121

By event:

200m:2
400m:31
200m Hurdles Straight:1
400m Hurdles (84cm):9
400m Hurdles:72
4 x 400m:4
4 x 400m Mixed relay:2

▲IN 2024

position in the world list in brackets following the season's best,
junior list position in green and youth list position in orange.
help: click on competition name or Venue to see competition results.
help: click on placing to see event results in the competition.

400m
45.25iw
SB (17)
1FloridaRGainesville FLFloridaR, Gainesville FL30 Mar 
45.25iw
=SB
2Gainesville FLGainesville FL13 Apr 
4 x 400m
3:02.99iw
SB
2FloridaRGainesville FLFloridaR, Gainesville FL30 Mar 
 Adidas
 Noah Williams, Jereem Richards,
Wayde van Niekerk, Alison dos Santos

▲TOP 100 WORLD LIST POSITIONS

SeasonInd/OutEventPosResult
2018Outdoor400m Hurdles8949.78
2019Outdoor400m Hurdles748.28
2021Outdoor400m Hurdles346.72
2022Outdoor400m1444.54
2022Outdoor400m Hurdles146.29
2023Outdoor400m2444.73
2023Outdoor400m Hurdles547.38
2024Outdoor400m1745.25

▲WINSTREAKS

 
Significant winstreaks 400m Hurdles
(at least 5 finals):
Winstreak 1: 11 (finals) 14 Sep 2021 -> 12 Sep 2022 Show/hide
Winstreak 2: 7 (finals) 28 Apr 2019 -> 8 Aug 2019 Show/hide
Winstreak 3: 6 (finals) 30 Sep 2018 -> 19 Apr 2019 Show/hide