Long's third season at HVCC (2015-2016) started with a 4-game winning streak for the 2nd straight season, including a pair of 40-point blowout victories. In the 5th game of the season taking on Herkimer, who was ranked 5th in the country, the Vikings trailed by 18 at the half and rallied to lead by 2 with five minutes left before falling by 7. Through 19 games, the Vikings record stood at 12-7, but thanks to an 8-2 finish they ended the regular season at 20-9. They went on to lose a nail biter to Mohawk Valley in the regional quarterfinals to finish the season at 20-10. Due to the team exceeding expectations, Long was selected as both Mountain Valley Conference and NJCAA Region 3 Coach of the Year. He was also selected as Region 3 Division 3 Coach of the Year and was awarded the Paul F. Bishop Coach of the Year, which is give annually to the best coach in the Athletic Department at HVCC.