If you’re heading to Tokyo for the Marathon this March, let us let you in on a little secret. You will be just a train ride away from one of the most unique experiences on the planet. This week, let’s find the answer to this important question, “what could be better than hot tubs and snow monkeys?”. Faster than a Speeding Bullet? The first thing you’ll need to do is take a bullet train from Tokyo to Nagano. Though they aren’t quite as fast as a speeding bullet, you’ll still cover the 140 miles in less than 2 hours. And the train is rather posh, sort of like first class…