The Brickyard 400 was red-flagged on Lap 14 due to a multi-car accident on pit road.
Valtteri Bottas won a dramatic Formula 1 Austrian Grand Prix from Charles Leclerc after a penalty for Lewis Hamilton for contact with Alex Albon dropped him to fourth.
Chip Ganassi Racing and Scott Dixon turned a poor-handling car around mid-race to take advantage of a caution period and take a dominant Grand Prix of Indianapolis victory over Graham Rahal and Simon Pagenaud.
Corvette Racing's triumph in the IMSA WeatherTech 240 at Daytona was the team's 100th triumph on North American soil. Here is the team's full roster of triumphs.