Qualified 7th from heats. Finished 13th at 2004 OG, DNF in 2000, 7th in 1996, 10th in 1992, 12th in 1988 and 1984. Finished 13th at 2019 and 2009 WCh, 15th in 2011. Placed 5th at 2021 World Relays. Ghana contested the 4x100m relay at six consecutive OG from 1984 to 2004, and are returning for their seventh appearance in Tokyo. They have progressed from the heats just once, at the 1996 Games.
Qualified 6th from heats. Finished 9th at 2016 OG, 10th in 2012, 4th in 2008, 9th in 2004. Took silver at 1932 and 1928 OG, bronze in 1936. Silver at 2014 and 2012 European Ch, bronze in 2016 and 2010. Germany are yet to win a world championship medal and their best placing has been 4th (2015, 2013). Germany did not qualify for the final at the 2017 or 2019 editions.
Qualified 3rd from heats. Gold at 1996 OG, bronze in 2016, 1984. Won WCh in 1997 and 1995. Bronze at WCh in 2015, 2013, 1993. Canada has made 17 OG appearances in this event. At the 2019 WCh, Canada failed to make the final despite running the eighth-fastest time in the heats, ahead of the ninth-fastest USA team who qualified third from their heat and would go on to win gold in the final.
Qualified 1st from heats. Reigning Olympic champions, having claimed gold at both the 2016 and 2012 Games. Silver at 1984 OG. Gold at four consecutive WCh, from 2009 to 2015. At 2012 OG, they finished 0.20s ahead of runners-up USA, while at Rio 2016 they finished 0.33s ahead of surprise silver medallists Japan.
Qualified 5th from heats. Gold at 2004 and 1912 OG. Silver in 1988, 1948 and 1924. Bronze in 1960 and 1928. Gold at 2017 WCh, silver in 2019, 1999 and 1993. Bronze in 2009, 2007, 2005, 1997 and 1991. Gold at 2018, 2016 and 2014 European Ch. GBR are one of three 4x100m relay teams, alongside Jamaica and the Soviet Union, to have won two OG gold medals - only the dominant USA have claimed more.
Qualified 2nd from heats. Placed 4th at 2016 OG, 11th in 2012, 6th in 2008 and 15th on OG debut in the event in 1988. Silver at 2015 WCh. Bronze at 2017 World Relays. CHN were disqualified in the final of the 2008 OG in Beijing. CHN were surprise medallists in front of a home crowd at the 2015 WCh in Beijing, where they finished third before being upgraded to silver after USA were disqualified.
Qualified 4th from heats. Finished 13th at 2012 OG, DSQ in 2008, 12th in 2004, 7th in 2000. Bronze at 1948 and 1932 OG, silver in 1936. At the world championships, since winning a silver medal in 1983 and bronze in 1995, Italy have struggled to reach the final. They finished 10th at the most recent edition in 2019. Finished 2nd behind South Africa at 2021 World Relays.
Qualified 8th from heats. Silver at 2016 and 2008 OG, 4th in 2012 and 2004. Bronze at 2019 and 2017 WCh. Bronze at 2021 and 2015 World Relays. Japan set an Asian record of 37.60s in the final at the 2016 OG in Rio de Janeiro to finish 0.33s behind gold medallists Jamaica. Japan have made the final at the last five Olympic Games, and are appearing at their 12th Games in Tokyo.
JAM
GHA
GER
CAN
GBR
CHN
ITA
JPN
