Rollerblading is the way to go!
That's literally the only exercise I can think of that I can do nonstop for hours on end. Go fast enough, and when you make that sharp turn, it feels like you're flying
It's also the sport that helped me discover my favorite manga, Air Gear~
Connecticon (?) (Only Saturday)
Another Anime Convention
Cosplays: Eijun, Furuya (Daiya no Ace), Kanda Yu (D. Gray Man), Rei (Free!), Fuji Shuusuke, Echizen Ryoma (Prince of Tennis)