You should be able to engage in basic navigation, in terms of relating
your position on a map with your physical location, and any added navigation skills beyond that are a bonus.
Navigation will be kept to a minimum with features which are easy
to find as checkpoints. Some of the checkpoints will also be the locations for the secret tasks.
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No matter how fit you are
you will not succeed in a race if you spend all your time running in the wrong direction!