For those new to swimming and competition, you might be confused about some of the terms and jargon used. Here is a list of a few key terms…

Term Description
IOT Inspector Of Turns.

An official at swim competition responsible for observing swimmers and reporting any rule violations during the swimmers’ turns.

JOS Judges Of Stroke

Officials at swim competitions responsible for observing swimmers along each lap and reporting any rule violations. Sometimes this role is known as a “Stroke Judge”.

Marshal An official at swim competitions responsible for organising swimmers into their heats, and sending each heat to the pool to ensure the timely start of each race.