If you are really worried about this, read this article. (http://www.stumptuous.com/this-just-in-high-rep-low-weight-toning-is-crap) But the short answer is no, lifting weights will not bulk you up. In fact, it will help you burn more calories and look better naked.
10 rounds (total) I-go-you-go:
50 DU + 10 deadlifts (185/135lb) or (225/155lb) + 10 hand release pushups
Then 10 rounds (total) I-go-you-go:
200m run + 10 burpees.
*One athlete goes through entire round before next athlete can start