Fans Get In Wild Melee At Track

An event at a New Jersey speedway this past weekend looked more like a WWE match ... because, at one point during the race, fans in the stands got into a WILD brawl.

The chaotic scene went down Saturday during a Formula Drift race at Old Bridge Township Raceway Park in Englishtown ... when witnesses say fans grew annoyed with a couple that had been roaming around the bleachers.

According to the witnesses, the man in yellow and the woman in the small black T-shirt had been, among other things, grabbing and touching people ... and, eventually, it led to a physical confrontation.

You can see in the footage, the woman in the black tee seemed to lunge at another woman ... kicking off a huge…