101st running of The Indianapolis 500 - "The Greatest Spectacle in Racing"

About to drop the green flag on ABC.

starting grid:

https://www.indianapolismotorspeedway.co...

storylines:

http://www.espn.com/racing/indycar/story...

Helio Castroneves going for four -- again.

Alexander Rossi won as a rookie last year.

Pippa Mann, the only female starter, makes her sixth start. A woman has never won.