Pippa Middleton continues to amaze us! Kate Middleton’s sis impressively completed the tough, month-long cycling challenge “Race Across America” in June, raising more than £20,000 in donations. Now, the British Heart Foundation ambassador is auctioning off her signed bespoke bicycle to raise funds for life-saving research for heart disease! The brunette said, “The challenge of riding across the Rockies, coping with the heat of the Arizona desert and climbing over 170,000 vertical feet in the six days was incredibly tough, but every inch of the 3,000-mile race was worth it to help the BHF fight heart disease.”