DEERFIELD BEACH, Fla., Aug. 25, 2015 /PRNewswire/ -- Youfit Health Clubs is thrilled to be the official gym sponsor of the 5th annual Miami Children's Health Foundation 5K Run/Walk. The 5K, which raises money for children and families at the Nicklaus Children's Hospital, will start at Coral Gables City Hall on September 19, 2015, at 7:30 a.m.