Section 5: Rules of Play

All races up to and including 400m (including hurdles at those distances) shall be started by the report of the starting pistol or approved device. Commands are: "On your marks" and "Set" (for races up to and including 400m).

Source: Rule 162, Rule 162.5, Rule 163, Rule 163.3, Rule 163.2, Rule 163.4, Rule 168, Rule 169, Rule 181, Rule 183, Rule 185, Rule 185.6, Rule 186, Rule 187, Rule 163.12

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