First time out ... tough competition ... less than ideal weather.None of that phased the Riverside Chargers Thursday, March 21, in the Arcadia-Loup City Rebel Invite at the Loup City Track Complex.Riverside claimed the team runner- up plaque in boys competition, trailing only Class C2 Ord, and three points in front of C1 St. Paul. The Lady Chargers placed 5th overall, but was second to only…