Nik Mains joined the Northern Arizona Men's Basketball coaching staff as an Assistant Coach in June 2026. Mains returned to the Lumberjack men's basketball program where he spent six seasons as a student-athlete from 2017-23.

Mains joined Head Coach Shane Burcar's staff via BYU where he spent two seasons as a graduate assistant coach from 2024-26. While on the staff, the Cougars combined to go 49-22 with a pair of NCAA Tournament appearances in 2025 and 2026. In 2025, BYU reached the Big 12 Semifinals and the NCAA Sweet 16.
 
In two seasons in Provo, Mains assisted in practice planning, film breakdown and scouting. He played a critical role on the defensive end, creating defensive edits and breakdowns after each practice and game. He was also part of a staff that developed AJ Dybantsa, the No. 1 overall pick in the 2026 NBA Draft.
 
As a Lumberjack student-athlete, Mains played in a program record 149 games from 2017-23. Mains, a member of the program’s 1,000 point club, also ranks second in career minutes played (3,580) and seventh in both 3-pointers made (183) and attempted (481). A career 38.0% 3-point shooter, Mains helped lead the Lumberjacks to a runner-up finish at the Big Sky Conference Tournament in 2023.

Mains enjoyed his best season in 2021-22, averaging career-highs of 11.5 points and 5.1 rebounds per game. He was a five-time Big Sky All-Academic selection and the first Lumberjack to earn three NABC Honors Court awards.
 
Prior to his two seasons at BYU, Mains spent the 2023-24 season as an assistant coach at his high school alma mater, Pinnacle High School.

The Scottsdale, Ariz. native earned both his bachelor's degree in information systems in 2021 and master's degree in human relations in 2022 from NAU.