Masters Records Progressions US:  400 Meter

Masters American Records: Records: American

Masters Records Documents:  Masters Records Documents

[Future] Masters American Records Progression:  [Future]

Masters Track & Field Standards & Specifications & Rule Book:  (Link)

Note: Masters Records kept as of 2020 are age 35 and older.

Masters US Records M35 (at the end of 1979):

400 Meter M35:  pending 53.8  Cordell Lindsey (38) 6/20/1971  (1972 SAR)  [1971:  See M40 Record]
400 Meter M35:  48.7  Dennis Dyce (35)  7/21/1979  (Dec 1979 NMN)

Masters US Records M40 (at the end of 1972):

400 Meter: M40:  53.1 Willis Klemsasser (40) July 1968 during the Sextathlon at the 1968 Masters National Outdoor Championship (Link)  (1972 SAR)
400 Meter: M40:  1970 AR: 52.3h Bill Fitzgerald (44) 7/4/1969 *
400 Meter: M40:  51.4h James Lingel (40) 4/1/1972 *

*=1972 to 1975 SAR, Feb 1971 & April 1973 USMITT;  May & Sept 1973 Veteris; May 24 & June 7, 1970 LA Times.

400 Meter M40:  50.8  Gary Miller (40)  6/17/1978 (Dec 1979 NMN)

Masters US Records M45 (at the end of 1972):

400 Meter M45:  53.4  Bill Fitzgerald (45)  6/18/1970    (1972 SAR)
400 Meter M45:  52.2  Bill Fitzgerald (46)  6/20/1971    (1972 SAR)
400 Meter M45:  51.7  Richard Stolpe (47)  8/24/1972 (Dec 1979 NMN)

Masters US Decathlon Record M50 (at the end of 1972):

Per Nov 7, 1971 Philadelphia Inquirer: Boo Morcom (age 50): 12.2 100 yard, 56.1 440 yard, 20.1 high hurdles, 12′-6.5″ PV, 19′-11.5″ LJ,  37′-11″ TJ.

July 19-21, 1968 Balboa Stadium, San Diego, Calif.   Masters Track & Field 1st National Outdoor Championship

40-49 43 440 Yard Bill Fitzgerald 54.4
40-49 45 440 Yard Louis Fields 57.2