Sponsored Content A certain amount of pre-race nerves can be beneficial. A sharpened central nervous system can rev the body for a 34-kilometer skate race. But the jitters can distract. There’s the possibility of low-quality sleep. Time wasted on variables out of your control, or, perhaps, beyond your budgetary control — cross-country ski racing can get pricey fast. In this guide, catering to BMT neophytes, we attempt to take the edge off and foster fun...