The Red Parka Pub Challenge Cup is the longest-running, pro-style dual giant slalom ski race in the United States. Considered the premier New England Amateur ski race, the RPP Challenge Cup attracts some of the best racers in the region. All proceeds from the race benefit the Eastern Slope Ski Club, a local organization that funds youth skiing in the Mt. Washington Valley in New Hampshire.

Founded in 1935, the Eastern Slope Ski Club is a non-profit organization dedicated to the promotion of skiing. The primary program of the ESSC is the Junior Ski Program, with over 400 volunteers and the support of countless businesses, provides skiing and snowboarding opportunities for over 1500 elementary school children in the Mount Washington Valley.