Green Dome Maebashi (グリーンドーム前橋, Gurīn Dōmu Maebashi) is an arena in Maebashi, Japan. With a capacity of 8,000, it is primarily used for indoor sports. One of its primary functions is as a velodrome - when it is known as Maebashi Velodrome (前橋競輪場, Maebashi Keirinjyō) - holding parimutuel Keirin races throughout the year.