Lights Out
The F1 reaction test. Five red lights, then lights out. Tap the moment they go, and don't jump the start.
Attempt 1 of 3
Press start, then tap the moment the lights go out.
How Your Reaction Time Rates
Pole Position
Under 200 ms. Very quick.
Front Row
200 to 249 ms. A sharp reaction.
Midfield
250 to 349 ms. A solid, typical start.
Backmarker
350 ms or more. Everyone has slow days.
Times run from lights out to your tap, so your screen and device are part of the result. They are for fun and are not an official measure.
How does the F1 reaction test work?
Five red lights come on one at a time. They stay on for a random moment, then all go out together. Tap as soon as they go out. You get 3 attempts and your fastest valid one is your result.
What is a good F1 reaction time?
On this test, under 200 ms is very quick and 200 to 249 ms is a sharp reaction. 250 to 349 ms is a solid, typical start, which is where most people land. The tiers are listed on this page.
What counts as a false start?
Tapping before the lights go out is a false start. So is a tap within 100 ms of lights out, because nobody can react that fast, so it is a guess. A false start uses up that attempt.
Can I compare my time with a real F1 driver?
Not directly. A driver's reaction is usually timed from lights out to the clutch release in the car, and that figure is not published for each driver. Published numbers also vary between sources. Your time here runs from lights out to your tap, so it also includes screen and touch delay.
Why do my times differ between devices?
Screen refresh rate, touch or mouse delay and the browser all add a little time. A phone and a laptop can give different results for the same person, so compare times from the same device.
Is my best time saved?
Yes, in this browser only. Your personal best, average, rounds played and day streak stay on your device. Nothing is sent to a leaderboard.