Final 23:05 time React L 1. Shaunae Miller Bahamas 49.44s PB 0.155 7 2. Allyson Felix United States 49.51s SB 0.177 4 3. Shericka Jackson Jamaica 49.85s 0.176 5 4. Natasha Hastings United States 50.34s 0.161 6 5. Phyllis Francis United States 50.41s 0.219 3 6. Stephenie Ann McPherson Jamaica 50.97s 0.133 8 7. Libania Grenot Italy 51.25s 0.149 2 DSQ. Olha Zemlyak Ukraine 51.24s 0.183 1 History Women 400m Athletics Women 400m London 2012 Athletics Women 400m Tokyo 2020 -- Competitors from -- Nations. Venue: Estádio Olímpico João Havelange Cap: 46,931. Semi-Finals - Sunday, 15th August First 2 and Best 2 times advanced to Final. Semi 1 time React L 1. Phyllis Francis United States 50.31s Q 0.189 6 2. Stephenie Ann McPherson Jamaica 50.69s Q 0.158 5 3. Olha Zemlyak Ukraine 50.75s q, PB 0.189 4 4. Kemi Adekoya Bahrain 50.88s 0.161 3 5. Christine Ohuruogu Great Britain 51.22s 0.145 7 6. Ruth Spelmeyer Germany 51.61s 0.155 2 7. Margaret Bamgbose Nigeria 51.92s 0.212 8 8. Patrycja Wyciszkiewicz Poland 52.51s 0.174 1 : Semi 2 time React L 1. Shericka Jackson Jamaica 49.83s Q, PB 0.184 6 2. Natasha Hastings United States 49.90s Q, SB 0.188 5 3. Salwa Eid Naser Bahrain 50.88s PB 0.139 3 4. Floria Gueï France 51.08s 0.178 8 5. Carline Muir Canada 51.11s 0.226 7 6. Emily Diamond Great Britain 51.49s 0.178 1 7. Małgorzata Hołub Poland 51.93s 0.136 2 8. Morgan Mitchell Australia 52.68s 0.136 4 : Semi 3 time React L 1. Allyson Felix United States 49.67s Q, SB 0.174 3 2. Shaunae Miller Bahamas 49.91s Q 0.167 4 3. Libania Grenot Italy 50.60s q 0.156 6 4. Christine Day Jamaica 51.53s 0.186 5 5. Justyna Święty Poland 51.62s 0.171 1 6. Anneliese Rubie Australia 51.96s 0.172 2 7. Kabange Mupopo Zambia 52.04s 0.155 8 8. Patience Okon George Nigeria 52.52s 0.161 7

Todor 66 index Athletics Rio de Janeiro 2016 index Athletics Rio de Janeiro 2016 Men 100m Women 100m Men 200m Women 200m Men 400m Women 400m Men 800m Women 800m Men 1500m Women 1500m Men 5000m Women 5000m Men 10000m Women 10000m Men Marathon Women Marathon Men 110m Hurdles Women 100m Hurdles Men 400m Hurdles Women 400m Hurdles Men 3000m Steeplechase Women 3000m Steeplechase Men 4x100m Relay Women 4x100m Relay Men 4x400m Relay Women 4x400m Relay Men High Jump Women High Jump Men Pole Vault Women Pole Vault Men Long Jump Women Long Jump Men Triple Jump Women Triple Jump Men Shot Put Women Shot Put Men Discus Throw Women Discus Throw Men Hammer Throw Women Hammer Throw Men Javelin Throw Women Javelin Throw Men 20km Walk Women 20km Walk Men 50km Walk Men Decathlon Women Heptathlon

Heat 1 time 1. Stephenie Ann McPherson Jamaica 51.36s Q 2. Patience Okon George Nigeria 51.83s Q 3. Anneliese Rubie Australia 51.92s q, SB 4. Yuliya Olishevska Ukraine 52.45s 5. Djénébou Danté Mali 52.85s 6. Nirmala Sheoran India 53.03s 7. Gunta Latiševa-Čudare Latvia 53.08s SB

Heat 2 time 1. Allyson Felix United States 51.24s Q 2. Olha Zemlyak Ukraine 51.40s Q 3. Tamara Salaški Serbia 52.70s 4. Tsholofelo Thipe South Africa 52.80s 5. Iveta Putálová Slovakia 52.82s SB 6. Aauri Bokesa Spain 53.51s 7. Seren Bundy-Davies Great Britain 53.63s

Heat 3 time 1. Phyllis Francis United States 50.58s Q 2. Kemi Adekoya Bahrain 50.72s Q 3. Margaret Bamgbose Nigeria 51.43s q 4. Patrycja Wyciszkiewicz Poland 52.02s q, SB 5. Alicia Brown Canada 52.27s 6. Jailma de Lima Brazil 52.65s 7. Justine Palframan South Africa 53.96s

Heat 4 time 1. Natasha Hastings United States 51.31s Q 2. Christine Ohuruogu Great Britain 51.40s Q 3. Maria Benedicta Chigbolu Italy 52.06s 4. Lydia Jele Botswana 52.24s 5. Olha Bibik Ukraine 52.33s 6. Kendra Clarke Canada 53.61s 7. Vijona Kryeziu Kosovo 54.30s

Heat 5 time 1. Shaunae Miller Bahamas 51.16s Q 2. Morgan Mitchell Australia 51.30s Q 3. Ruth Spelmeyer Germany 51.43s q, PB 4. Emily Diamond Great Britain 51.76s q 5. Kanika Beckles Grenada 52.41s SB 6. Bianca Răzor Romania 52.42s SB 7. Kineke Alexander Saint Vincent Gren. 52.45s

Heat 6 time 1. Salwa Eid Naser Bahrain 51.06s Q, PB 2. Libania Grenot Italy 51.17s Q 3. Floria Gueï France 51.29s q 4. Cátia Azevedo Portugal 52.38s 5. Mariam Kromah Liberia 52.79s 6. Nguyễn Thị Huyền Vietnam 52.97s 7. Irini Vasiliou Greece 54.37s 8. Maryan Nuh Muse Somalia 1:10.14

Heat 7 time 1. Shericka Jackson Jamaica 51.73s Q 2. Kabange Mupopo Zambia 51.76s Q 3. Justyna Święty Poland 51.82s q 4. Christine Botlogetswe Botswana 52.37s 5. Omolara Omotosho Nigeria 53.22s 6. Elina Mikhina Kazakhstan 53.83s 7. Dalal Mesfer Al-Harith Qatar 1:07.12

Heat 8 time 1. Christine Day Jamaica 51.54s Q 2. Carline Muir Canada 51.57s Q 3. Małgorzata Hołub Poland 51.80s q 4. Geisa Coutinho Brazil 52.05s 5. Aliyah Abrams Guyana 52.79s 6. Mariama Mamoudou Ittatou Niger 54.32s DQ. Anastassya Kudinova Kazakhstan 56.03s Dop

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Last updated: 22 Aug 2022
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