"switching" to fat burning

["guest@endurance.net" <guest@endurance.net>]

Beth Glace winorpin@aol.com
Dave wrote:
"In a 100,you're burning just about all fats after around 30 miles out."
Hi Dave,
how do you know you were not burning carbs? Did you bonk after 30 miles?  If not, you were still using carbs for energy as well as fats and probably not in a very different proportion to what you had used earlier in the race. If you were burning all fats you would be essentially out of the race; fats alone cannot support racing at the pace needed during a century type ride.
Regards,
Beth Glace, MS, CDN
Sports Nutritionist/Research Associate
Lenox Hill Hospital
but, writing from home



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