Here's our guide to choosing your lane. Simple hey? We've all been there swimming happily away in the Medium lane, only for a very slower swimmer to join you in your lane. As you overtake them almost every lap - you can feel the lane-rage building. Then what happens? A super-speedy swimmer joins your lane also. Not only do you have to deal with the pedestrian pace of the slow swimmer but now the intimidation of the speedy swimmer overtaking you every other lap. You look longi