Masters M55 100 metres hurdles world record progression explained

This is the progression of world record improvements of the 100 metres hurdles M55 division of Masters athletics.^[1]

Key:

Hand	Auto	Wind	Athlete	Nationality	Birthdate	Location	Date
	14.25	-0.4	Herbert Kreiner		22.07.1955	Nyíregyháza	22.07.2010
	14.44		Walt Butler		21.03.1941		30.06.1996
	14.49	1.6	Walt Butler		21.03.1941	Eugene	22.08.1996
	14.77		Charles Miller		28.07.1937	San Antonio	23.07.1994
	14.78		Hugh Adams		1940	San Jose	10.06.1995
	15.28		Richard Hickmann		1934		03.08.1989
	15.39	-1.4	Walter Bauer		08.06.1941	Malmö	24.07.1996
	15.40		Rolf Bertram		23.04.1935	Budapest	1990
	15.53				07.01.1933	Orlando	05.08.1988^[2]

Notes and References

1. Web site: http://www.mastersathletics.net/fileadmin/html/Rankings/All_Time/shorthurdlesmen.htm short hurdles list Short Hurdles List]. 16 May 2014.
2. http://www.mastershistory.org/Outdoor/1988-Outdoor.pdf