Alexis Sánchez specialized in the event that is included in the athletics program at what premier event?
Alexis Sánchez (athlete): Alexis Sánchez González (born 13 April 1971) is a retired Spanish athlete who specialised in the 110 metres hurdles and 400 metres hurdles. 110 metres hurdles: The 110 metres hurdles, or 110-meter hurdles, is a hurdling track and field event for men. 110 metres hurdles:  It is included in the athletics programme at the Summer Olympic Games.
Summer Olympic Games