Track Vocab: OPR – Round 2

Track Vocab covers a word, phrase, or some other lingo used at the track. Maybe you know it all, maybe you’ll learn something new, maybe you’ll call me an idiot and tell me I’m wrong. Enjoy!


Last week’s Track Vocab introduction got some great feedback, people shared not only photos, but their own terms for OPR.

“Tire Turds”

“Track Boogers”

“Tire Snot”


Rodney of Burnt Ends Endurance Racing shared these two photos, taken after a dual 8hr endurance race at COTA. I wonder how that felt at speed.



What about you? Have another term for OPR? Have any more good photos?

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