While I 've run longer before , 4 miles was a new race distance to me .
I got to go in knowing that I was going to have a PR , though my target in my head was sub-50 : 00 .
While I 've run longer before , 4 miles was a new race distance to me , so I got to go in knowing that I was going to have a PR , though my target in my head was sub-50 : 00 .