Here is Challengers list:
1、Espen Fadnes
2、Jeffery Adam Nebelkopf
3、JT Homles
4、J Ray Corliss
5、James Boole
6、Michael Swanson
7、Ludovic Woerth
8、Jon Devore
9、Chris Douggs McDougall
10、Livia Dickie Mary
11、Joby David Ogwyn
12、Roberta Mancino
13、Julian Boulle
14、Joakim Sommer
15、Anthony UragalloStepney
