Masters W70 80 metres hurdles world record progression explained

This is the progression of world record improvements of the 80 metres hurdles W70 division of Masters athletics.^[1]

Key:

Hand	Auto	Wind	Athlete	Nationality	Birthdate	Location	Date
	16.04	-0.9	Marianne Maier		25.12.42	Porto Alegre	16.10.13
	16.10	0.7	Asta Larsson		23.10.1931	Arhus	30.07.2004
	16.24	>2.0	Rosaline Sole		21.08.1915	Melbourne	29.11.1987
	17.46				24.07.1928		28.11.1998
	18.25	0.4	Hideko Koshikawa		02.01.1933	Carolina	11.07.2003
	18.48	1.2	Shirley Peterson^[2] ^[3]		24.07.1928	Brisbane	12.07.2001

Notes and References

Web site: Short Hurdles List. 16 May 2014.
News: 4976 Athletes Take Part in 14th World Veterans Championships . August 2001 . Museum of Masters Track & Field . National Masters News .
Web site: Dear friends . Museum of Masters Track & Field .