Complex sentence: As a student at Tennessee State University, Boston won the 1960 National Collegiate Athletic Association title in the long jump also breaking the world record in the long jump, held by Jesse Owens for 24 years, during the summer of 1960.
Split into simpler sentences: As a student at Tennessee State University, Boston won the 1960 National Collegiate Athletic Association title in the long jump. Boston broke the world record in the long jump, held by Jesse Owens for 24 years, during the summer of 1960.