Perry Trowbridge > Trail Favorites List

47.5 mi 76.5 km Rim-to-Rim-to-Rim (R2R2R) Difficult Grand Canyon, AZ	Difficult	Grand Canyon, AZ	84
34.1 mi 54.9 km Yamacraw 50K Difficult Whitley City, KY	Difficult	Whitley City, KY	4

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