The 2012 Go for 42 challenge is starting at Gretna Green Elementary.This challenge encourages all school children in the Miramichi area to accumulate 40 kilometers of walking or running over a 5 week period. On June 24th all the participants are invited to complete a 2.2 kilometer distance on the streets of Newcastle-Miramichi in conjunction with the Rock ‘n Run Road Race, thus completing the Marathon distance of 42.2 kilometers.