| Year | Men | Time | Country | % Correct |
|---|---|---|---|---|
| 2000 | Michael Johnson | 43.68 | United States | 100%
|
| 1991 | Michael Johnson | 44.17 | United States | 100%
|
| 2017 | Wayde van Niekerk | 43.62 | South Africa | 71%
|
| 2014 | Kirani James | 43.74 | Grenada | 64%
|
| 2012 | Kirani James | 43.94 | Grenada | 64%
|
| 1986 | Marita Koch | 48.22 | East Germany | 64%
|
| 1982 | Marita Koch | 48.16 | East Germany | 64%
|
| 1980 | Marita Koch | 48.88 | East Germany | 64%
|
| 2010 | Jeremy Wariner | 44.13 | United States | 57%
|
| 2007 | Jeremy Wariner | 43.45 | United States | 57%
|
| 2017 | Allyson Felix | 49.65 | United States | 50%
|
| 2015 | Allyson Felix | 49.26 | United States | 50%
|
| 2013 | LaShawn Merritt | 43.74 | United States | 50%
|
| 2011 | LaShawn Merritt | 44.35 | United States | 50%
|
| 2009 | LaShawn Merritt | 44.06 | United States | 50%
|
| 2000 | Cathy Freeman | 49.11 | Australia | 43%
|
| 1997 | Cathy Freeman | 49.39 | Australia | 43%
|
| 1996 | Marie-José Pérec | 48.25 | France | 43%
|
| 1992 | Marie-José Pérec | 48.83 | France | 43%
|
| 2013 | Amantle Montsho | 49.33 | Botswana | 36%
|
| 1988 | Harry Reynolds | 43.29 | United States | 36%
|
| 2009 | Sanya Richards | 48.83 | United States | 36%
|
| 2007 | Sanya Richards | 49.27 | United States | 36%
|
| 2016 | Shaunae Miller | 49.44 | Bahamas | 36%
|
| 2003 | Ana Guevara | 48.89 | Mexico | 29%
|
| 2008 | Christine Ohuruogu | 49.62 | United Kingdom | 29%
|
| 1983 | Jarmila Kratochilová | 47.99 | Czechoslovakia | 29%
|
| 1981 | Jarmila Kratochilová | 48.61 | Czechoslovakia | 29%
|
| 2004 | Tonique Williams-Darling | 49.07 | Bahamas | 29%
|
| 1978 | Alberto Juantorena | 44.27 | Cuba | 21%
|
| 1977 | Alberto Juantorena | 44.65 | Cuba | 21%
|
| 1989 | Antonio Pettigrew | 44.27 | United States | 21%
|
| 1977 | Irena Szewinska | 49.52 | Poland | 21%
|
| 1988 | Olga Bryzgina | 48.65 | Soviet Union | 21%
|
| 1992 | Quincy Watts | 43.50 | United States | 21%
|
| 1984 | Alonzo Babers | 44.27 | United States | 14%
|
| 2011 | Anastasiya Kapachinskaya | 49.35 | Russia | 14%
|
| 2012 | Antonina Krivoshapka | 49.16 | Russia | 14%
|
| 1990 | Danny Everett | 44.06 | United States | 14%
|
| 1999 | Falilat Ogunkoya | 49.62 | Nigeria | 14%
|
| 1979 | Harald Schmid | 44.92 | West Germany | 14%
|
| 2001 | Katharine Merry | 49.59 | United Kingdom | 14%
|
| 1998 | Charity Opara | 49.29 | Nigeria | 7%
|
| 2014 | Francena McCorory | 49.48 | United States | 7%
|
| 1990 | Grit Breuer | 49.50 | Germany | 7%
|
| 2002 | Leonard Byrd | 44.45 | United States | 7%
|
| 1985 | Michel Franks | 44.47 | United States | 7%
|
| 2003 | Tyree Washington | 44.33 | United States | 7%
|
| 2001 | Tyree Washington | 44.28 | United States | 7%
|
| 1980 | Viktor Markin | 44.60 | Soviet Union | 7%
|
| 2016 | Wayde van Niekerk | 43.03 | South Africa | 7%
|
| 2015 | Wayde van Niekerk | 43.48 | South Africa | 7%
|
| 1989 | Ana Fidelia Quirot | 50.01 | Cuba | 0%
|
| 2002 | Ana Guevara | 49.16 | Mexico | 0%
|
| 1981 | Bert Cameron | 44.58 | Jamaica | 0%
|
| 2010 | Debbie Dunn | 49.64 | United States | 0%
|
| 1983 | Erwin Skamrahl | 44.50 | West Germany | 0%
|
| 1986 | Gabriel Tiacoh | 44.30 | Cote d'Ivoire | 0%
|
| 1987 | Harry Reynolds | 44.10 | United States | 0%
|
| 2006 | Jeremy Wariner | 43.62 | United States | 0%
|
| 2005 | Jeremy Wariner | 43.93 | United States | 0%
|
| 2004 | Jeremy Wariner | 44.00 | United States | 0%
|
| 2008 | LaShawn Merritt | 43.75 | United States | 0%
|
| 1995 | Marie-José Pérec | 49.28 | France | 0%
|
| 1994 | Marie-José Pérec | 49.77 | France | 0%
|
| 1991 | Marie-José Pérec | 49.32 | France | 0%
|
| 1985 | Marita Koch | 47.60 | East Germany | 0%
|
| 1984 | Marita Koch | 48.16 | East Germany | 0%
|
| 1979 | Marita Koch | 48.89 | East Germany | 0%
|
| 1978 | Marita Koch | 48.94 | East Germany | 0%
|
| 1993 | Ma Yuqin | 49.81 | China | 0%
|
| 1999 | Michael Johnson | 43.18 | United States | 0%
|
| 1998 | Michael Johnson | 43.68 | United States | 0%
|
| 1997 | Michael Johnson | 43.75 | United States | 0%
|
| 1996 | Michael Johnson | 43.44 | United States | 0%
|
| 1995 | Michael Johnson | 43.39 | United States | 0%
|
| 1994 | Michael Johnson | 43.90 | United States | 0%
|
| 1993 | Michael Johnson | 43.65 | United States | 0%
|
| 1987 | Olga Bryzgina | 49.38 | Soviet Union | 0%
|
| 2006 | Sanya Richards | 48.70 | United States | 0%
|
| 2005 | Sanya Richards | 48.92 | United States | 0%
|
| 1982 | Sunder Nix | 44.68 | United States | 0%
|