| Women 400m Athletics XXII Olympic Games Tokyo, Japan 2020 - Tuesday, 4th August, Wednesday, 5th August and Friday, 7th August | 
| | | Final |  | time |  | React | L |  | 1. Shaunae Miller-Uibo |  Bahamas | 48.36s | AR | 0.162 | 7 |  | 2. Marileidy Paulino |  Dominicana | 49.20s | NR | 0.176 | 5 |  | 3. Allyson Felix |  United States | 49.46s | SB MWR | 0.158 | 9 |  | 4. Stephenie Ann McPherson |  Jamaica | 49.61s |  | 0.131 | 6 |  | 5. Candice McLeod |  Jamaica | 49.87s |  | 0.152 | 4 |  | 6. Jodie Williams |  Great Britain | 49.97s | =PB | 0.127 | 8 |  | 7. Quanera Hayes |  United States | 50.88s |  | 0.176 | 2 |  | -. Roxana Gómez |  Cuba | DNF |  | 0.191 | 3 | 
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 | -- Competitors from -- Nations. Venue: New National Stadium, Tokyo. Capp.: 0 | 
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 |  |  | First 2 and Best 2 times advanced to Final. | 
 | | Semi 1 |  | time |  | React | L |  | 1. Marileidy Paulino |  Dominicana | 49.38s | Q, NR | 0.172 | 5 |  | 2. Candice McLeod |  Jamaica | 49.51s | Q, PB | 0.162 | 7 |  | 3. Roxana Gómez |  Cuba | 49.71s | q, PB | 0.168 | 4 |  | 4. Quanera Hayes |  United States | 49.81s | q | 0.153 | 6 |  | 5. Eleni Artymata |  Cyprus | 50.80s | NR | 0.191 | 3 |  | 6. Susanne Walli |  Austria | 51.52s | PB | 0.224 | 9 |  | 7. Ama Pipi |  Great Britain | 51.59s |  | 0.140 | 2 |  | 8. Lada Vondrová |  Czechia | 51.62s |  | 0.183 | 8 | 
 | Semi 2 |  | time |  | React | L |  | 1. Shaunae Miller-Uibo |  Bahamas | 49.60s | Q | 0.155 | 6 |  | 2. Jodie Williams |  Great Britain | 49.97s | Q, PB | 0.136 | 5 |  | 3. Roneisha McGregor |  Jamaica | 50.34s |  | 0.181 | 4 |  | 4. Wadeline Jonathas |  United States | 50.51s |  | 0.189 | 7 |  | 5. Paola Morán |  Mexico | 51.06s | SB | 0.168 | 9 |  | 6. Lieke Klaver |  Netherlands | 51.37s |  | 0.208 | 8 |  | 7. Aliyah Abrams |  Guyana | 51.46s |  | 0.137 | 2 |  | 8. Aauri Bokesa |  Spain | 51.57s | PB | 0.194 | 3 | 
 | Semi 3 |  | time |  | React | L |  | 1. Stephenie Ann McPherson |  Jamaica | 49.34s | Q, PB | 0.134 | 5 |  | 2. Allyson Felix |  United States | 49.89s | Q, SB MWR | 0.179 | 6 |  | 3. Sada Williams |  Barbados | 50.11s | NR | 0.167 | 8 |  | 4. Natalia Kaczmarek |  Poland | 50.79s |  | 0.165 | 4 |  | 5. Kyra Constantine |  Canada | 51.22s |  | 0.177 | 3 |  | 6. Amandine Brossier |  France | 51.30s |  | 0.170 | 7 |  | 7. Cátia Azevedo |  Portugal | 51.32s |  | 0.146 | 9 |  | 8. Lisanne de Witte |  Netherlands | 52.09s |  | 0.178 | 2 | 
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| | Heat 1 |  | time |  |  | 1. Shaunae Miller-Uibo |  Bahamas | 50.50s | Q | 0.132 | 2 |  | 2. Roxana Gómez |  Cuba | 50.76s | Q, =PB | 0.182 | 6 |  | 3. Sada Williams |  Barbados | 51.36s | Q, SB | 0.154 | 7 |  | 4. Aliyah Abrams |  Guyana | 51.44s | q, SB | 0.160 | 8 |  | 5. Kyra Constantine |  Canada | 51.69s | q | 0.167 | 5 |  | 6. Anita Horvat |  Slovenia | 52.34s |  | 0.185 | 3 |  | 7. Patience Okon George |  Nigeria | 52.41s |  | 0.187 | 4 | 
 |  | | Heat 2 |  | time |  |  | 1. Jodie Williams |  Great Britain | 50.99s | Q | 0.170 | 3 |  | 2. Quanera Hayes |  United States | 51.07s | Q | 0.175 | 4 |  | 3. Cátia Azevedo |  Portugal | 51.26s | Q | 0.155 | 7 |  | 4. Lisanne de Witte |  Netherlands | 51.68s | q, SB | 0.172 | 5 |  | 5. Bendere Oboya |  Australia | 52.37s |  | 0.172 | 6 |  | -. Amantle Montsho |  Botswana | DNF |  | 0.125 | 2 |  | -. Meleni Rodney |  Grenada | DNF |  | 0.196 | 8 |  | -. Aliya Boshnak |  Jordan | TR 17.3.1 | DQ | 0.238 | 9 | 
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| | Heat 3 |  | time |  |  | 1. Allyson Felix |  United States | 50.84s | Q | 0.168 | 4 |  | 2. Roneisha McGregor |  Jamaica | 51.138s | Q | 0.180 | 2 |  | 3. Lada Vondrová |  Czechia | 51.139s | Q, PB | 0.182 | 6 |  | 4. Ama Pipi |  Great Britain | 51.17s | q | 0.126 | 3 |  | 5. Tiffani Marinho |  Brazil | 52.11s |  | 0.210 | 7 |  | 6. Leni Shida |  Uganda | 52.48s |  | 0.201 | 8 |  | 7. Samantha Dirks |  Belize | 54.16s | SB | 0.177 | 5 |  | 8. Tetyana Melnyk |  Ukraine | 54.99s |  | 0.179 | 9 | 
 |  | | Heat 4 |  | time |  |  | 1. Candice McLeod |  Jamaica | 51.09s | Q | 0.202 | 5 |  | 2. Amandine Brossier |  France | 51.65s | Q | 0.171 | 6 |  | 3. Susanne Walli |  Austria | 52.19s | Q | 0.209 | 7 |  | 4. Corinna Schwab |  Germany | 52.29s |  | 0.155 | 3 |  | 5. Irini Vasiliou |  Greece | 53.16s |  | 0.164 | 9 |  | 6. Galefele Moroko |  Botswana | 55.89s | SB | 0.202 | 4 |  | -. Nicole Yeargin |  Great Britain | TR 17.3.1 | DQ | 0.182 | 8 |  | -. Cynthia Bolingo |  Belgium | DNS |  | - | 2 | 
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| | Heat 5 |  | time |  |  | 1. Stephenie Ann McPherson |  Jamaica | 50.89s | Q | 0.138 | 3 |  | 2. Natalia Kaczmarek |  Poland | 51.06s | Q | 0.150 | 4 |  | 3. Paola Morán |  Mexico | 51.18s | Q, SB | 0.162 | 5 |  | 4. Phil Healy |  Ireland | 51.98s |  | 0.158 | 6 |  | 5. Hellen Syombua Kalii |  Kenya | 52.70s |  | 0.221 | 8 |  | 6. Agnė Šerkšnienė |  Lithuania | 52.78s |  | 0.172 | 2 |  | 7. Natassha McDonald |  Canada | 53.54s |  | 0.161 | 7 | 
 |  | | Heat 6 |  | time |  |  | 1. Marileidy Paulino |  Dominicana | 50.06s | Q | 0.184 | 2 |  | 2. Wadeline Jonathas |  United States | 50.93s | Q | 0.209 | 6 |  | 3. Lieke Klaver |  Netherlands | 51.37s | Q | 0.200 | 4 |  | 4. Aauri Bokesa |  Spain | 51.89s | q, SB | 0.235 | 7 |  | 5. Eleni Artymata |  Cyprus | 51.91s | q | 0.224 | 9 |  | 6. Barbora Malíková |  Czechia | 52.83s |  | 0.195 | 8 |  | 7. Shalysa Wray |  Cayman Islands | 53.61s |  | 0.216 | 3 |  | 8. Christine Botlogetswe |  Botswana | 53.99s | SB | 0.214 | 5 | 
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Prepared and maintained by Todor Krastev
todor1966@yahoo.com
Last updated: 22 Aug 2022
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