It's going to be an intense showdown in some stunning country ... question is, who will cross the finish line first?
Go ahead, take a guess ... and be entered to win! Suunto has teamed up with iRunFar to put together a contest. All you have to do is predict which competitor will win and what his/her time will be. Post your prediction as a comment; if you've got the winning time, we'll give you a Suunto M5 Running Kit!