Automatic
timing
43"
18. Michael Johnson, USA, 26 Aug 99, Sevilla
43"
29. Harry Reynolds, USA, 17 Aug 88, Zurich
43"
86. Lee Evans, USA, 18 Oct 68, Mexico City
Manual
Timing
44"
1. Lee Evans, USA, 14 Sep 68, Echo Summitt
44"
1 (44"19) Larry James, USA, 14 Sep 68, Echo Summit
44"
5 Tommie Smith, USA, 20 May 67, San Jose
44"
9 Michael Larrabee, USA, 64, Los Angeles
44"
9y Adolph Plummer, USA, 25 May 63, Tempe
44"
9 Carl Kaufmann, FRG, 06 Sep 60, Rome
44"
9 Otis Davis, USA, 06 Sep 60, Rome
45"
2 Louis Jones, USA, 30 Jun 1956, Los Angeles
45"
4 Louis Jones, USA, 18 Mar 55, Mexico
45"
8 George Rhoden, JAM, 22 Aug 50, Eskilstuna
46"
0y Herbert McKenley, JAM, 05 Jun 48, Berkeley
46"
2y Herb McKenley, JAM, 21 Jun 47, Salt Lake City
46"
2y Herb McKenley, JAM, 01 Jun 46, Champaign
46"
0 Grover Klemmer, USA 06 Jun 41, Philadelphia
46"
0 Rudolf Harbig, GER, 12 Aug 39, Frankfurt am Main
46"
1 Archibald Williams, USA, 19 Jun 36, Chicago
46"
2 William Carr, USA, 05 Aug 32, Los Angeles
46"
4 Ben Eastman, USA 26 Mar 32, Palo Alto.
47"
0 Emerson Spencer, USA, 12 May 28, Palo Alto
47"
4y Herman Phillips, USA, 05 May 28, Madison
47"
6 Eric Liddell, GBR, 11 Jul 24, Colombes
47"
4y Ted Meredith, USA, 27 May 16, Cambridge, Mass.
47"
8y Maxie Long, USA, 29 Sep 1900, New York
B. PERFORMANCES STATISTICALLY VALID, BUT UNRATIFIED FOR VARIOUS REASONS
Automatic
timing
44.82
Wendell Mottley, 11 Aug 66, Kingston
44.19
Larry James, USA, 14 Sep 68, Echo Summit
Manual
timing
47"
4y Victor Williams, USA, 30 May 31, Philadelphia
47"
4y Ben Eastman, USA, 16 May 31, Stanford
47"
4y Binga Dismond, USA, 03 Jun 16, Evanston
C. UNOFFICIAL PROGRESSION BEFORE IAAF
53.5y
E.L. Hunt, GBR, 17 May 1865, Dublin
50.3y
Charles Guy-Pyn, GBR, 11 Nov 1865, London
50.3y
Edward Colbeck, GBR, 20 Jun 1868, London
49.6y
Robert Philpot, GBR, 07 Mar 1871, Cambridge
49.2y
Lawrence Myers, USA, 20 Sep 1879, New York
48.6y
Lawrence Myers, USA, 15 Jul 1881, Birmingham
48.5y
Henry Tindall, GBR, 28 Jun 1889, London
48.5y
Edgar Bredin, GBR,22 Jun 1895, London
D. BEST LOW ALTITUDE MARKS SET WHILE A HIGH ALTITUDE WORLD RECORD (IN PARENTHESES) WAS STANDING
44"
4 Fred Newhouse (43"8), USA, 07 Jul 72, Eugene
44"
1 Wayne Collett (43"8), USA, 09 Jul 72, Eugene
44"
70. Karl Honz (43"86), FRG, 21 Jul 72, München
44"
66. Vince Matthews (43"86), USA, 07 Sep 72, München
44"
26. Alberto Juantorena (43"86), CUB, 29 Jul 76, Montréal
44"
10. Butch Reynolds (43"86), USA, 03 May 87, Columbus
43"
93. Butch Reynolds (43"86), USA, 20 Jul 88, Indianapolis
y denotes
440 yards (= 402.34 m)