27 Days

Russian athlete, Yelena Isinbayeva is a two-time Olympic gold medalist in pole vaulting (in 2004 and 2008). She has broken the outdoor and indoor world records 27 times. Many consider her to be the greatest female pole-vaulter of all time.

Hurdler Edwin Moses won two gold medals in 1976 and in 1984 and a bronze in 1988. By July of 1984, Moses had completed the 400m hurdles faster than 48 seconds a record twenty-seven times. (Since then, the men's world record has been set at 46.78 seconds.)