Track days are about driver mod, learning your car, and doing things that are most definitely illegal everywhere else in a safe, closed environment. You are driving with others and let out in groups, but there is no "winner". Everyone wins and has a good time though.
The track days I've done have instructors to guide you if you want, rules for when and how you can pass to avoid car to car contact, and they give one very strong recommendation:
Unless you trailered your car here today, drive on the track like you also need to drive home. ?