Read the following context and choose the best option to answer the question.
Context: Today I can run a mile in about 6 minutes , which in the grand scheme of athletic things is n't all that fast , but compared to the sloth - like pace back in 6th grade I ' ve come a long ways . And in my perpetually dissatisfied view of my athletic self I still yet have a ways to go . Let 's make this clear though - everybody has a limit .
Question: Why is the writer starting to run regularly ?
Options: 
- They want to be able to eat more when they want to .
 - They want to improve their physique .
 - They wanted to find something new to do .
 - None of the above choices .


They want to improve their physique .