Watch a huge stack-up unfold in the opening seconds of 2025 IMSA Whelen Mazda MX-5 Cup action at Daytona International ...

The Cadillac had been leading before a restart, but had dropped to fifth before a sudden failure led to a major crash.

The 2024 Daytona 500 ... an 18 car accident that was caused after William Byron (No. 24) got into Brad Keselowski (No. 22). As a result, Keselowski collided with Logano, creating the pileup.