What Is a False Start in Track? Rules and Disqualification

TL;DR

Officials use starting equipment and observation to identify movement before the signal. Under the current elite sprint rule, the athlete responsible for a false start is normally disqualified rather than given a free retry.

What the starter controls

The starter gives the commands and signal, while the start referee checks the setup. Athletes must remain motionless in the set position until the signal.

Reaction time and evidence

Starting blocks measure pressure and movement, but the equipment supports an official judgment. A recorded reaction under the applicable threshold can be evidence of an early response, not a substitute for the rules.

False start versus aborted start

Wind, equipment failure or an external disturbance can cause a restart without blaming an athlete. The referee decides whether the event was a false start or a neutral interruption.

Why the rule is strict

A tiny early movement can create a meaningful advantage over 100 metres. A consistent standard protects the field and makes the result comparable.

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