If it was disadvantageous to the skier , he will have the option of a reride .
If , in the opinion of the official in the boat , the tolerance was exceeded , a reride will be mandatory if the speed variation was advantageous to the skier .
If it was disadvantageous to the skier , official will have the option of a reride .
If , in the opinion of the official in the boat , the tolerance was exceeded , a reride will be mandatory if the speed variation was advantageous to the skier .