US runner covers 3,524 km trail in record 46 days
American runner Karl Meltzer became the fastest to complete America's Appalachian Trail, taking 45 days, 22 hours and 38 minutes to cover the 3,524 km-long stretch. Meltzer started on August 3, running 14.8 hours a day and crossing 14 states. Almost 11,000 people have completed the run, with the previous record being 46 days, eight hours and seven minutes.