It's Attaboy Star by a length. Booky Baby, Denny's Doll and Seabottom.
5 seconds sound clip from the The Cat from Outer Space (1978) movie soundboard.
You can hear this line at 00:46:08.892 in the Blu-ray version of the movie.
Quote context
[...]
- Sweet Jake is finally out of the gate. Sweet Jake is moving. He's way behind, but he's moving.
- I think he stopped to have lunch.
- I don't believe this. Eat on your own time!
- Sweet Jake! I should have bet on the Metropolitan Opera.
- Daddy's Poppa moving up, and Seabottom.
- It's Attaboy Star by a length. Booky Baby, Denny's Doll and Seabottom.
- Sweet Jake's finished eating and started running. And, ladies and gentlemen, is he running!
- But not even Silky Sullivan could come from this far behind.
- It's Booky Baby taking the lead.
- Daddy's Poppa moving into second, and Attaboy Star.
- And making up incredible ground is Sweet Jake.
[...]