I took my grandson and the neighbor kid to K1 speed. The kids kept complaining that their car would slow down with no warning and let people pass them. I asked the pit guy who admitted to slowing them down to let others pass. My kids complaint is that if the kid behind him was such a superior racer, why couldnt he pass my kid? I complained to the manager, who dismissed my concerns. I said it's the kids that get to pick the go kart track, and they wont be picking his anymore. On yhe last race, they left them alone after we complained, and my kid went from 6th to 2nd!!!