SpinMaui 2015. SpinningNation and the American Heart Associations Nation-wide ride is happening February 28, 2015. One Day. One Nation. One Cause. Maui Powerhouse Gym will host the Spin event at the Maui Tropical Plantation. Sign-up for a bike by going to www.spinningnation.org. Get involved, help raise awareness for the American Heart Association Go Red For Women movement.