Complex sentence: Reading Athletic Club has had a long and distingushed history in the world of athletics and have produced notable national and world champions, including Britain's first female gold medalist over 800m, Ann Packer.
Split into simpler sentences: Reading Athletic Club has had a long and distingushed history in the world of athletics and have produced noteable National and World Champions. Such names that spring to mind are Britain's first female gold medalist over 800m, Ann Packer.