As the water flies in their faces, they continue to circle the lake.  The combination of size and speed is sending huge wakes across the lake, and though the two competitors can see each other and the shore, the unfortunate bystander in the water is lost, at least until the two fo them begin, unfortunately, to head in his direction.  Sure enough, one of the two is going to barrel into him.  Unfortunately for everyone involved, the starting point is on the other side of Zecel, so they probably won't stop until its too late.