Temperature Training

Fuel: Frozen foods

"Winter athletes need calories in bunches. The best way to get them is activity-dependent. Out for a day of X-C? Carbo-load for easy energy. Exploring the Arctic? Feast on fat for staying power. Below, three pros reveal what they eat to push through the powder." --Daniel Grushkin

Vince Anderson, 36
Anderson and Steve House won the 2006 Piolet d'Or ("golden pickax") for the first Alpine-style direct ascent of Nanga Parbat's Rupal Face. Anderson's secret weapon? Pork.

Diet Plan : Snack on bacon. "I really bulk up on fat during the winter. Sometimes I'll even bring bacon in a plastic bag on a climb. While it may not make me any faster, I can go for a lot longer."

Power Meal: Breakfast

  • 4 organic eggs, scrambled
  • 2 oz chorizo sausage
  • 2 slices whole wheat toast, buttered
  • 1/2 avocado
  • 12 oz green tea

Sarah Burke, 24
Burke is freeskiing's reigning queen: In 2006 she nabbed a gold and a silver at the U.S. Open and a silver at the Winter X-Games. Simple carbohydrates power her complex aerials.

Diet Plan : Get sweet. "Freeride is about breaking from the rules and doing what you feel like -- so's my diet. When I go into the backcountry, I bring a bag of Sour Patch Kids. Why? Sugar is pure energy."

Power Meal: Breakfast

  • 1 cup Kellogg's Frosted Mini-Wheats
  • 8 oz skim milk
  • 1 banana
  • 20 oz Protein Greens+
  • 1 package Sour Patch Kids

Rune Gjeldnes, 35
In February 2006 Gjeldnes completed the world's longest unsupported ski expedition, crossing Antarctica (2,985 miles) in 90 days. For him, mixing carbs and fat is a sloppy science.

Diet Plan : Mix muesli with soy oil. "It's easier to carry 22 extra pounds in your body than on the sledge -- and fat has far more energy per pound than carbohydrates. To aid digestion, I mix soy oil with carbs."

Power Meal: All Day Long

  • 8 oz muesli
  • 6 oz powdered milk
  • 6 oz raw nuts
  • 3.5 oz soy oil
Mix together and eat hourly while on a polar expedition.
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