Saturday Apr 05 2008 comments Krupicka wins 2008 AR 50 Endurance Run By: Michael Kirby -A +A AR 50 winner Anton Krupicka (R) talks with second placer finisher Erik Skaden after the race Saturday. AR 50 Race director Greg Soderlund presents winner Anton Krupicka with a race jacket and winners patch at Saturday's race. AR 50 winner Anton Krupicka. Anton Krupicka of Colorado Springs Colorado, crosses the finish line first in the AR 50 Endurance Run Saturday at the Auburn Dam Overlook. Krupicka's win secures him an entrance place in the Western States 100 Endurance Run in June.