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Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

I’ve tackled sections of the Pacific Crest Trail—backpacking, day hiking, and trail running—but to think of taking months off to complete all 2,650 miles of this trail, which climbs mountain passes ...