Step by step
- Click and wait, like watching the start lights.
- React to the change, not a guess: early clicks repeat the round.
- Compare your 5-round average with about 200 ms.
At a glance
| Situation | Typical reaction | Note |
|---|---|---|
| F1 start, lights out | About 0.2 s | Varies by driver and start |
| This test, very fast | Under 200 ms | Includes screen and mouse delay |
| This test, average | 300–399 ms | Most people |
Related questions
Do F1 drivers train reaction time?
Yes, with light boards and reaction machines, alongside fitness and focus work.
Is there a false start in F1?
Yes, moving before lights out is a jump start and is penalised.
Why is the wait random?
So drivers, and you, cannot anticipate the moment.
More questions: reaction time test
- What is an average reaction time?
- How do I test my reaction time?
- Reaction time test on mobile
- Reaction time test with the space bar
- Are online reaction time tests accurate?
- How to improve your reaction time
- Reaction time test for gamers
- Reaction time test for driving
- Reaction time test for sports and goalkeepers
- How to test reaction time with a ruler (and how it compares)
Open the full reaction time test →
Updated November 14, 2026.