No by-line, no compensation? No need to waste the time, then. "Bye, Felicia."
As one comment suggested: 15,000 shots at 100mb apiece. I'd go so far as to suggest many shots of the photogs' feet, along with the trash cans and piles of tires.
And the "clarification" should elicit a boycott of the drags and drift events with missives of: "Take your own pic's. Use your 'phone!"