Inyo and White Mountains, California, south to north full traverse (May 2018); I believe that on this trip I became the first person to complete this double traverse–let me know if I am wrong about that:

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Circuit of the Sierra Nevada del Cocuy, Colombia, counterclockwise (Jan. 2016):

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Nopah Range, California, south to north full traverse (Nov. 2015; with Daria Malin):

Lost Coast Trail, California, full length, north to south (May 2015; with Daria Malin):

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Arizona Trail, full length, north to south (Autumn 2010; with Jennifer Christensen):

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Wonderland Trail, full length, clockwise (2010; with Jennifer Christensen)

John Muir Trail, California, full length, north to south (Sept-Oct. 2008)

Tahoe Rim Trail, California, full length, clockwise (Sept. 2008)

Colorado Trail, full length, north to south (June-July 2008)

Centennial Trail, South Dakota, full length, north to south (June 2008)

GR20, Corsica, full length, south to north (Aug. 2007; with Eric Olson)

The Long Trail, Vermont, full length, south to north (July-Aug. 2006; with Eric Olson)