Yesterday Utah-based ultra-runner Karl Meltzer set off on the Appalachian Trail in an attempt to run the entire length of the 2,175-mile trail in less than 47 days. Meltzer is trying to break the current trail speed record set by Andrew Thompson in 2005.
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Follow Meltzer’s daily progress <a href=”http://www.whereskarl.com/”>here.</a>
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