Sentence 1: Chris sold his car and began running everywhere in town. 
 Sentence 3: He was inspired by wisdom imparted by Olympic runners 
 Sentence 4:  He would run as fast as possible everywhere he went 
 Sentence 5:  He became very fit and able bodied 
 Option 1: Chris learned about running technique and decided to get into biking instead. 
 Option 2: He started learning about running technique and theory.