Thread: Stravacalories?
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Old 09-20-16, 06:04 PM
  #9  
HTupolev
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Originally Posted by bikenh View Post
So why then when on a bike trip with 30 pounds of gear and me weighing 180 pounds averaging around 4000 calories a day input and riding 125 miles at 15 mph pace don't I lose weight like you could never imagine.
Aerodynamics makes low speeds very efficient; on a road bike, I can hold 13mph on the flats when I'm so bonked that I can barely stand. If you're only having to do 100-150W, you might only be burning around 3000 calories each day from cycling. This leaves an atypically low amount of energy left for the body's rest functions, but the roughness in napkin math and human estimates of things like distances and intakes can easily smooth that out; we're only like 20% away from totals that sensibly add up.
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