The Indianapolis 500 holds a special place in the motorsport world. The race is unlike any other and often provides an intriguing contest.
This weekend's edition is set to be no different and there is no shortage of things to keep an eye on during the 107th running of the famous race.
Some drivers are seeking redemption after disappointment last year, others are experiencing the Indy 500 with a different team - and then there is Graham Rahal, who is set to race after all, despite getting bumped out of qualifying.
Here is Autosport's guide of the key themes and storylines to keep an eye on this weekend.