Still , I treated the first 5k as a long warm - up , trying to go very easy and take it more by feel than anything else .
My marathon strategy was to start out a bit faster , leaving some margin for the inevitable slower second half .
I treated the first 5k as a long warm - up , trying to go very easy and take it more by feel than anything else .
My marathon strategy was to start out a bit faster , leaving some margin for the inevitable slower second half .