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This really depends on what sort of condition you're in. For example, if you're a trail-runner in good shape who's used to high altitudes, the 28 miles from the rim to Phantom Ranch and back would...
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This really depends on what sort of condition you're in. For example, if you're a trail-runner in good shape who's used to high altitudes, the 28 miles from the rim to Phantom Ranch and back would...