Jackson, Shea Shine on Final Day of USATF U20 Championships usatf.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from usatf.org Daily Mail and Mail on Sunday newspapers.
Summer marks the time for cross country pre-season training, and this can entail conjuring up some form of discipline, gritting out miles in oppressive heat and guzzling plenty of Gatorade