Complex sentence: It is named in honour of Game Spirit, a steeplechaser owned by the Queen Mother who won 21 races during the 1970s, finished third in the 1974 Cheltenham Gold Cup and who collapsed and died after racing at Newbury in March 1977.
Split into simpler sentences: It is named in honour of Game Spirit, a steeplechaser who was owned by the Queen Mother. He collapsed and died after racing at Newbury in March 1977.