This is more serious racing on windward/leeward courses. If more than two non-Thunderbirds come out they get their own start.

This is more serious racing on windward/leeward courses. If more than two non-Thunderbirds come out they get their own start.

This is more serious racing on windward/leeward courses. If more than two non-Thunderbirds come out they get their own start.

This is more serious racing on windward/leeward courses. If more than two non-Thunderbirds come out they get their own start.

This is more serious racing on windward/leeward courses. If more than two non-Thunderbirds come out they get their own start.

More casual racing on multi-leg courses with reaching legs.