A victory would guarantee Vesterby a spot on the 2019 Ironman World Championship start list.
The bubbly Dane has her sights set on Kona once more and hopes to be smiling all the way to the podium in 2018.
Denmark's Michelle Vesterby is fresh off of the best performance of her career and is in Tempe to race Sunday's Ironman Arizona.
Denmark's Michelle Vesterby chats about her big win on home turf at Saturday’s Challenge Denmark race.
Dirk Bockel showed that he is coming back well from a hip injury, while Michelle Vesterby got a big on her home soil.