NASCAR's closest-ever finish — Kyle Larson beat Chris Buescher by 0.001 seconds Sunday at Kansas — has brought scrutiny to how NASCAR determines the winner at the finish line. That is good.

How a photo finish is decided — and why a painted line doesn’t determine it NASCAR typically uses a radio transponder mounted to the chassis behind the right-rear tire for timing and scoring ...

Mike Joy is the voice of NASCAR on Fox’s coverage for the Cup ... bottleneck that produced a massive multi-car crash at the finish line. During the Cup broadcast, Joy shared what he thought ...