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Test your reaction time with the F1 start light sequence.
Authentic 5-red-light start sequence used in Formula 1.
Accurate measurement of your reaction time.
Track your fastest reaction time.
Detects if you click before the lights go out.
The F1 Reaction Test simulates the start of a Formula 1 race. Five red lights turn on one by one, and then extinguish after a random delay. Your goal is to click (or tap) as fast as possible the moment the lights go out. This tests your visual reaction time and anticipation skills.
Click the 'Click to Start' button.
Wait for the 5 red lights to turn on one by one.
Click as soon as the lights go out.
See your reaction time in milliseconds.
Wait for 5 lights, then click!
The F1 start sequence consists of 5 red lights turning on at 1-second intervals. Once all 5 are on, they extinguish after a random delay of 0.2 to 3 seconds. Your reaction time is measured from the moment the lights go out.