There are many courses in the game. Here's every course in the game (missing tracks will be added)
Ashigara 1 Normal
Ashigara 1 Reverse
Ashigara 2 Normal
Saotome 1 Normal
Saotome 1 Reverse
Saotome 2 Reverse
Yosegi 1 Normal
Yosegi 1 Reverse
Minosawa 1 Normal
Minosawa 1 Reverse
Kagetora 1 Normal
Kagetora 1 Reverse
Tsuchinoko 1 Normal
Tsuchinoko 1 Reverse