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Madshus Suprasonic 3 x 3 Skate Ski
The Madshus Suprasonic 3x3 Skate Ski is a lightning fast racing ski that gives you the performance of world cup skis, but with a much friendlier price tag. The Suprasonic uses the same awesome bases as Madshus's medal winning world class skis, but adds some weight (not much) and saves you some money (lots.) 3D construction and dynamic camber make the Suprasonics a total joy to ski, responsive, snappy, and above all fast. The Suprasonic narrows slightly at the waist to help steer the ski in a straight line and maximize your effective snow contact with every stride.
On Sale
$389.95 $155.98 
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Training Tips
Anaeroic threshold is when lactic acid starts to build up in your body as your muscles are not getting the oxygen they require. This threshold is typically expressed as a percentage of your VO2 max - the amount of oxygen per kilogram of weight that a person can use in converting fuel to energy. Elite athletes threshold might be as high as 90% of VO2 max.
Efficient running position allows you to run farther and faster. Keep the heel raise to a minimum, relax your upper body and hands, keep your upper body poised and quiet.
If you want to make progess in your training, join a running group. A commitment to meet on a regular basis with a group of like minded individuals will help you keep your focus.
An efficient long distance running stride will have you landing on your heal first and rolling to the front of your toes.
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