Ultra-endurance races and body composition
July 24th, 2007 | by David Spelts |A multiple stage, ultra-endurance triathlon over 10 days resulted in significant fat loss and no loss of lean body mass, indicating that all of the weight lost was from body fat. The participants lost an average of 3 kg (about 6.6 lbs).
Low intensity aerobic exercise is predominantly fueled by fatty acids. Carbohydrates contribute little after the first 30 minutes or so.
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