It's going to be a busy weekend for race fans as several different series take to the tracks. Just a reminder, the Formula 1 race is on CBS this weekend. Here's the listings:

All times are EST.

Formula 1
Friday, May 12:
Practice - Spanish Grand Prix Barcelona @ 8:00AM on Speed

Saturday, May 13:
Qualifying - Spanish Grand Prix Barcelona @ 8:00AM on Speed

Sunday, May 14:
Race - Spanish Grand Prix Barcelona @ 12:00PM on CBS

GP2 Championship Series
Sunday, May 14:
Race - Barcelona @ 6:00AM on Speed

Nascar - Darlington
Friday, May 12:
Qualifying - Nextel Cup Dodge Charger 500 @ 3:30PM on Speed
Qualifying - Busch Series Diamond Hill Plywood 200 @ 5:00PM on Speed
Practice - Nextel Cup Dodge Charger 500 @ 6:30PM on Speed
Race - Busch Series Diamond Hill Plywood 200 @ 8:30PM on FX

Saturday, May 13:
Race - Nextel Cup Dodge Charger 500 @ 6:30PM on Fox

(no Crafstman Truck Series race this weekend)

Grand American Road Racing
Saturday, May 13:
Race - Grand Am Cup Series - Laguna Seca @ 1:00PM on Speed (Tape Delay)

Sunday, May 14:
Race - Grand Am Cup Series - Phoenix @ 1:00PM on Speed
Race - Rolex Sports Car Series - Phoenix @ 3:00PM on Speed

Champ Car World Series
Saturday, May 13:
Qualifying - Houston @ 12:00AM on Speed (Tape Delay)
Race - Houston @ 9:00PM on Speed

Indy Racing League
Saturday, May 13:
Pole Day - Indianapolis 500 @ 12:00PM on ESPN2
Pole Qualifying - Indianapolis 500 @ 3:00PM on ABC

Sunday, May 14:
Time Trials - Indianapolis 500 @ 12:00PM & 6:00PM on ESPN2

Links: SpeedTV, Fox Sports, FX, NBC, CBS, ESPN2.