Timer Stop Challenge

Press Start, then try to stop exactly on the challenge time. We grade your timing accuracy.

CHALLENGE:
Mode:
0.00 s
Elapsed0.00 s
Scoring: 100% if exact. We subtract 100 × |difference| (cap at 0) where difference is in seconds (0–1s band for scoring). Example: target 5.00s, you stop at 4.80s → |0.20| → 80% right.