This is the progression of world record improvements of the 300 metres hurdles M75 division of Masters athletics.

Key

HandAutoAthleteNationalityBirthdateLocationDate49.65 Guido Müller 22.12.1938 Erfurt 12.07.2014 52.91 Earl Fee 22.03.1929 San Sebastian26.08.200553.15 James Stookey 20.01.1930 Honolulu04.08.200553.4 Albertus Van Zyl 13.08.1922 Bloemfontein10.10.199854.7 Albertus Van Zyl 13.08.1922 01.05.199855.33 Daniel Bulkley 04.05.1917 Brisbane02.10.1994 67.75Omar His Uniondale 19.07.1986

References

Masters Athletics 300 m hurdles list