 In 1908, Peck claimed a new record with her climb of Peru's Huascarán, which she believed to be .However, she was misinformed as to the peak's height and exaggerated distances she could not measure.Workman was so competitive that she paid a team of French surveyors from the Service Géographique de l'Armée US$13,000 to measure the elevation of the mountain, which was actually , confirming her record.