Complex sentence: In early Olympiads sponsorship allowed for generous financial prizes to go with many of the events, in recent years such prizes have been limited to a very small number of events, usually as a result of specific outside sponsorship for that discipline.
Split into simpler sentences: In early Olympiads sponsorship allowed for generous financial prizes to go with many of the events. In recent years such prizes have been limited to a small number of events, usually as a result of specific outside sponsorship for that discipline.