COWES, ENGLAND - AUGUST 13: Zara Phillips and Mike Tindall take part in the Artemis Challenge on August 13, 2015 in Cowes, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
COWES, ENGLAND - AUGUST 13: Zara Phillips and Mike Tindall take part in the Artemis Challenge on August 13, 2015 in Cowes, England. (Photo by Mark Cuthbert/UK Press via Getty Images)