[GoKimiGo!]

Originally Posted by RingBredE90

http://en.espnf1.com/ (my personal favorite)
http://www.gpupdate.net/en/series/1/formula-1/
http://www.bbc.co.uk/sport/0/formula1/

I'd throw this one in there as well even thought they tend to be a bit biased at times.
http://www.planet-f1.com/