I am running a Tough Mudder course in a few weeks and I am not fit enough, so I need to get some serious training in.
What's a good exercise to lose weight quickly? Suggestions welcome.
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From @neilcrabbe
I am running a Tough Mudder course in a few weeks and I am not fit enough, so I need to get some serious training in.
What's a good exercise to lose weight quickly? Suggestions welcome.