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 [原创] A lesson learned |
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Haven
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加入时间: 2006/09/16
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作者：Haven 在 海归茶馆 发贴, 来自【海归网】 http://www.haiguinet.com
Today I ran the 50k Hong Kong trail together with a few running buddies, part of the training for the Greenpower race in two weeks. The weather was perfect for running, though a bit windy and cold at the top of mountains.
I only brought two packs of Cliff bar, each of which offers 240kcal. At Parkview we stopped for some refuelling and I ate two eggs, in total offering at most 200kcal. So along the whole trail, I only took in roughly 700kcal. According to a well-known formula to calculate how much calories burned from running, I have burned about 3,750kcal (=weight (lbs) * 0.75 * miles covered, for me it's roughly 750kcal/km * 50km). So I was hugely in deficit of energy (remember an adult on average takes in about 2,000kcal per day from meals and I only ate a light breakfast today). The result was after Dragon's back (about 5k left), I began to feel my body was running out of fuel. I still managed to jog with my friends for a couple of km, but simply couldn't run for the last 3k, though the trail is downhill then. There was simply no energy in my body to burn to help my legs, though my legs were not that tired. I had to sum up all the mental power I had to force my legs to move and literally walked for the last 3k. The moment I finished the whole trail and stepped into the little restaurant nearby, I had to sit down and didn't want to move a muscle.
The fishball noodle was never so tasty and I gobbled down two bowls, together with a bottle of beer and a cup of hot coffee. Ten minutes later I found energy began to fill my body. A great reward for the hard training!
Today's coldness also took more heat from the body, expediting the loss of energy. So a lesson learned today is always fuel the body adequately and preemptively. But mental power plays a big role in running too. Never underestimate that!
作者：Haven 在 海归茶馆 发贴, 来自【海归网】 http://www.haiguinet.com
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 [原创] A lesson learned -- Haven - (1955 Byte) 2010-1-23 周六, 19:28 (2168 reads)
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