He became 2011 FILA Cadet World champion at 100kg and two-time USA Wrestling Junior Triple Crown winner by capturing titles in folkstyle, Greco-Roman and freestyle in 2012 and 2013.
[6] At the world championships, Coon defeated Arata Sonoda in Greco-Roman and Yunus Emre Dede in freestyle to win double bronze, a rare achievement.
At the 2015 NCAA championships, he lost to Gwiazdowski in the heavyweight finals, going 4-1 and earning All-American, Academic All-Big Ten, and NWCA All-Academic honors.
[2] As a junior, Coon won the Greco-Roman 130 kg titles at the 2015 Bill Farrell International Open[8] and at the U.S. Open, placed second at the Big Ten championship after losing to Kyle Snyder in the finals, and went 5-1 at the 2016 NCAA championships to place third behind Snyder and Gwiazdowski, earning All-American and All-Academic honors again.
In 2019, Coon won the gold medal in the 130 kg event at the Pan American Wrestling Championships held in Buenos Aires, Argentina.
[17] At the 2019 World Wrestling Championships held in Nur-Sultan, Kazakhstan, he competed in the 130 kg event where he was eliminated in his first match by Meng Lingzhe of China.
[18] In March 2020, at the Pan American Wrestling Championships held in Ottawa, Canada, he won the silver medal in the 130 kg event.