A USA team ran 2:56.60 in Philadelphia in 2000 but the performance was annulled due to the use of performance-enhancing drugs by Antonio Pettigrew

Olga Nazarova and Olga Bryzgina ( USSR) both ran a 47.80 split in the 1988 Seoul Olympic final; the Soviet team's final time of 3:15.17 is the current world record. Note: The above world record was bettered by three teams at the 2018 NCAA Division I Championship on 10 March 2018 in College Station, United States: Please call us during normal business hours at 1-800-669-9899 (option #1) and be prepared with the following information: a b c d e f "Results - 4 x 400 Metres Relay Mixed - Final" (PDF). World Athletics. 19 August 2023 . Retrieved 19 August 2023. Allyson Felix (USA) ran a 47.72 split in the 2015 Beijing World Championships final, a 48.01 split in the 2007 Osaka World Championships final, and a 48.20 split in the 2012 London Olympic final.

Wiring Diagram #8

Men's 4 × 400 m Relay Final Results" (PDF). World Athletics. 24 July 2022 . Retrieved 6 August 2022. Men's 4 × 400 m Relay Final Results" (PDF). olympics.com. 7 August 2021. Archived from the original (PDF) on 7 August 2021 . Retrieved 26 August 2021. United States ( Justin Robinson (M), Rosey Effiong (W), Matthew Boling (M), Alexis Holmes (W)) 3:08.80 (2023) A USA team ran 2:56.47 in Athens in 1997 but the performance was annulled due to the use of performance-enhancing drugs by Antonio Pettigrew

A USA team ran 2:54.20 in Uniondale in 1998 but the performance was annulled due to the use of performance-enhancing drugs by Antonio Pettigrew Quincy Watts ran a 43.1 split and Steve Lewis (USA) ran a 43.4 split in the 1992 Barcelona Olympic final. Alfred, Garland and Wilson threaten world records at NCAA Indoor Championships". World Athletics. 12 March 2023 . Retrieved 23 March 2023. a b c d "Mixed 4 x 400 Metres Relay - Round 1 Results Summary" (PDF). World Athletics. 19 August 2023 . Retrieved 19 August 2023.

Speaker Polarity

Women's 4×400m Relay Final Results" (PDF). World Athletics. 27 August 2023 . Retrieved 28 August 2023. Note: The above world record was bettered in a time of 3:21.75 by the University of Arkansas team of Amber Anning, Joanne Reid, Rosey Effiong, and Britton Wilson at the 2023 NCAA Division I Indoor Championship on 11 March 2023 in Albuquerque, New Mexico, United States. This time was not record-eligible because Anning was a citizen of Great Britain, Reid was a citizen of Jamaica, and Effiong and Wilson were United States citizens. [6] According to the IAAF rules, world records in relays can only be set if all team members have the same nationality.

x 400m Mixed Relay Heat 1 - 2020 Olympics" (PDF). Archived (PDF) from the original on 30 July 2021. Note * Indicates athletes who ran only in the preliminary round and also received medals. World Indoor Championships medalists [ edit ] Men [ edit ] Games a Original silver medalists, Russia, and 4th place finishers, Belarus, were stripped of their results for doping offenses. Following reallocation, Jamaica were promoted to the silver medal, and Great Britain to the bronze. [37]Jarmila Kratochvílová ( CZE) ran a 47.6 split in the 1982 Athens European Championship final, a 47.75 split in the 1983 Helsinki World Championship final, and a 47.9 split in the 1983 Europa Cup in London. https://www.reuters.com/article/us-olympics-rio-doping-russia/russia-stripped-of-beijing-2008-4x400m-womens-silver-medal-idUSKCN10U242 a b c d e "Mixed 4 × 400 m Relay Final Results" (PDF). World Athletics. 15 July 2022 . Retrieved 17 July 2022. A Russian team ran 3:18.82 in Beijing in 2008 but the performance was annulled due to the use of performance-enhancing drugs by Tatyana Firova Mark Richardson (GBR) ran a 43.57 split and Davian Clarke (JAM) ran a 43.51 split in the 1997 Athens World Championship final.

by the Florida team of Kunle Fasasi, Grant Holloway, Chantz Sawyers, and Benjamin Lobo Vedel. This time was not record-eligible because Fasasi represents Nigeria, Holloway represents the United States, Sawyers represents Jamaica, and Vedel represents Denmark. m men relay at the European Championships in Barcelona 2010 (Martyn Rooney (GBR), Thomas Schneider (GER), Kacper Kozłowski (POL), Jonathan Borlée (BEL), Vladimir Krasnov (RUS), Teddy Venel (FRA))A Russian team of Svetlana Pospelova, Natalya Nazarova, Kseniya Vdovina and Tatyana Firova originally finished second in the 2010 World Indoor Championships, but was disqualified after Firova was found to have used performance-enhancing drugs. [41] Main article: 4 × 400 metres relay at the World Championships in Athletics Men [ edit ] Championships A USA team of Milton Campbell, Leonard Byrd, Trinity Gray and Jerome Young originally finished second in the 2001 World Indoor Championships, but was disqualified after Young was found to have used performance-enhancing drugs. [39] a b "All-time women's best 4 × 400m Relay". alltime-athletics.com. 13 August 2017 . Retrieved 13 August 2017.