Iceburn Circuit

Iceburn Circuit is a Bound Bowl Grand Prix course in Super Mario Odyssey. It is found on the northeast end of the Snow Kingdom hidden behind a Moon Rock. The Moon Rock must be activated to access the course, so it is only available after beating the main story. Like Snowline Circuit, there are two classes: Class A and Class S. If Mario comes in first place in both classes, the Shiverian Elder will reward him with one Power Moon each.

Layout
After the opening straightaway, there are several alternating slanted walls the racers must bound off of. After another straightaway with two small ramps, the road drops down and curves briefly to the right, which is followed by multiple sharp turns with slanted walls to bound off of and gain speed. The racers then enter a tunnel where the road slants down toward the middle. The tunnel road slopes downward, upward, and then downward again. At the tunnel's exit, there is a large hairpin turn going up and down a steep hill that leads back to the starting line.