Sergey Bubka is a retired Ukrainian pole vaulter. Repeatedly voted the world's best athlete, he represented the Soviet Union until its collapse in 1991.
Bubka won 6 consecutive IAAF World Championships, an Olympics gold and broke the world record for men's pole vaulting 35 times (17 outdoor and 18 indoor records). He was the first to clear 6.0 metres and the first and only (as of August 2008) to clear 6.10 metres (20 feet).
He holds the current outdoor world record of 6.14 metres (20 feet 1 3/4 inches), set on 31 July 1994 in Sestriere, Italy and the current indoor world record of 6.15 meters, set on 21 February 1993 in Donetsk, Ukraine