Ratings Reference

FireKeepers Casino 400

Nielsen average audience: 1,770,000 viewers (final), per Sports Media Watch.

Aired
2025-06-08 Sunday
Networks
Prime Video
1,770,000
Nielsen avg audience · via press
single source · final
figures last changed 2025-06-11

Published figures

JSON
Nielsen1 figure
average audience
full telecast · final
press-attributed · Sports Media Watch
1,770,000
This past weekend, racing from Michigan averaged 1.77 million — marking in all probability the least-watched Cup Series race of the season. Sports Media Watch, verbatim
1 press attribution · no provider-published figure · single source
press-attributed = reported by press citing the provider