not for decades wrote:
Men's Record as of July 16, 1915 - 4:12.6
Men's record as of July 15, 1933 - 4:07.6
First sub-4 - May 6, 1954 - 3:59.4Women's record as ofAugust 14, 1996 - 4:12.56
Current Women's record - 4:07.64 (July 21, 2023)It took 18 years for the men's record to drop from 4:12 to 4:07, and 21 years for the men's record to drop from 4:07 to sub-4.
It took 27 years for the women's record to drop from 4:12 to 4:07.
Sub-4 is not happening any time soon. I think I might see it in my lifetime (I'm 51).
If super shoes came out in Aug 1915 on a decent track surface, the men would have run a sub 4.