Masters M65 300 metres hurdles world record progression explained

This is the progression of world record improvements of the 300 metres hurdles M65 division of Masters athletics.

Key:

Hand	Auto	Athlete	Nationality	Birthdate	Location	Date
	43.88	Guido Müller		22.12.1938		25.07.2004
	45.20			05.02.1926		25.07.1991
	47.82	Arne Pettersson		24.03.1923	Verona	27.06.1988
	50.63^[1]	Bob Hunt				19.07.1986

References

Masters Athletics 300 m hurdles list

Notes and References

1. https://ausrunning.net/misc/veteran-athlete/newspapers/veteran-athlete-v1n5-lores.pdf