I kinda took a break from running due to my right knee, which would start, I dunno, clicking or something about a mile in. But last Friday, I thought I'd give it another try so I turned to the Green Light mix from Rock My Run and I put in a solid 2 miles at a 15.3-minute-a-mile pace.
(Don't laugh -- that's fast for me.)
When I have one of these workout mixes swimming around my head it really makes me try and keep up the pace. Especially when this goofy song comes on: