Like a roller derby track (4)

I believe the answer is:

oval

(Other definitions for oval that I've seen before include "sports ground" , "Shaped like an egg" , "Race track" , "Ellipsoidal" , "Elliptical - cricket ground" .)

I've seen this clue in the LA Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.