2015 - PanAm Cross Country Cup - U.S. team
2015 - USA Cross Country Championships 12k - 10th
2015 - Bupa Great Edinburgh Cross Country Challenge - U.S. team
2014 - USATF Club Cross Country Championships - 7th
2014 - USA 15k Championships - 7th
2012 - Bupa Great Edinburgh Cross Country 8k Challenge - 4th
2011 - USATF Club Cross Country 10k Championships - 1st
2010 – NCAA Indoor Championships 5000m – 5th
Jon Grey ran cross country and track at Kennard Dale High School in Fawn Grove, Penn. During his prep career he set three school records including 4:18 in the 1600m, 9:11 in the 3200m, and 15:41 in 5k cross country. He also was the third place finisher in the 3200 at the 2006 PIAA State Championships, and finished second at the 2005 PIAA District 3 Cross Country Championships.
His collegiate career began at the University of Oklahoma where he finished 13th at the 2007 USA Junior Cross Country Championships, and 5th at the 2007 USA Junior Outdoor Track and Field Championships 10k.
Jon transferred to the College of William and Mary in 2008 where he posted times of 8:07.79 in the 3000m (indoors), 13:46 in the 5000m (indoors), and 28:40.33 in the 10,000m. In 2009 he was 17th at the 2009 NCAA Cross Country Championships, and in 2010 he was 5th at the NCAA Indoor Championships 5000m. In addition, he finished first in the 10,000 at the 2010 Mt. SAC Relays. He was a three-time All American.
Jon joined Team USA Minnesota in September 2011.