Sonsio Grand Prix live updates: Graham Rahal holds the lead
3:39p ET
Live leaderboard
5:17p ET
Marcus Ericsson retires the car
5:11p ET
Colton Herta is struggling
5:02p ET
Graham Rahal takes the lead
4:58p ET
Kyffin Simpson stalls before the start
3:39p ET
Preview: Will Alex Palou do it again?
Live Coverage for this began on 5:35p ET
