According to Formula 1 web site drivers start on average after 0.2 seconds since the red lights go out https://www.formula1.com/en/latest/article/rapid-decision

According to Formula 1 web site drivers start on average after 0.2 seconds since the red lights go out https://www.formula1.com/en/latest/article/rapid-decisions-driver-skills-and-intricate-procedures-why-race-starts-are.3uziERC5iPE5EYOPRmerXU https://www.formula1.com/en/latest/article/rapid-decisions-d... Anyway, 0.1 seconds would be far too short even for them, which have a job based on fast reaction times.