The race at the start of the game in which players swim for the ball in the centre of the pool.
The method of starting a period. Players take up positions on their own goal lines. A referee then blows the whistle, tosses the ball into the center of the pool, and the players race for it. Also called a sprint.
Before the start of each period of play, the players must take up positions on their respective goal lines. When the referee has ascertained that the teams are ready, he/she should give the signal to swim off for the ball by a blast of his/her whistle and release the ball into the center of the field of play.
A race for the ball in the centre of the field of play to start each period.
the players taking up positions on their respective goal lines and swimming toward the ball at the center of the pool at the blast of the referee's whistle. This occurs at the beginning of each period.
In a prelims/finals competition, a race held after the scheduled event to break a tie for spots that span the break between finals and consolations heats.
In a Prelims/Finals type competition, a race after the scheduled event to break a tie. The only circumstance that warrants a swim-off is to determine which swimmer makes finals or an alternate, otherwise ties stand.