IRL: Dixon leads Indy 500 after 50 laps

Indianapolis, IN (Sports Network) - Scott Dixon is leading the 91st running of the Indianapolis 500 after 50 of 200 laps. The No.9 Target Chip Ganassi Racing driver is 0.477 seconds ahead of Marco Andretti as they pass the 125- mile mark.

Roberto Moreno is out of the race after crashing on lap 37.

Pole winner Helio Castroneves is 24th after having a fuel filling problem on his second pit stop.