Sandra Wallenhorst
Sandra Wallenhorst is a professional triathlete from Germany. She competes in the World Triathlon Corporation's Ironman and Ironman 70.3 triathlons.
Sandra's time of 8:47:26 at Ironman Austria 2008 was the fastest women's time in the world in the WTC Ironman 2008 series, where 6,223 women finished.