Kellner, the 2014 and 2017 RMAC Coach of the Year, produced yet another impressive season for the Ranger lacrosse program.

The 2017 season was Kellner's, as well as the program's, best to date. Kellner guided the Rangers to the most wins in program history closing the season out with an overall record of 17-3. Kellner's 2016 team previously held the record for most wins in a season at 15.

The Rangers opened the season with eight-straight wins. RU also defeated Lindenwood for the first time in program history to capture its second RMAC Tournament Championship 13-11. At the time, Lindenwood was ranked No. 2 in the nation by the IWLCA. That upset catapulted Regis into national tournament discussions.

The Rangers earned their first NCAA Tournament bid but ultimately fell in the first round to Queens University (N.C.) 15-11. Regis closed out the season with a final national ranking of No. 9, the highest in program history.

Kellner was recognized by the RMAC earning Co-Coach of the Year honors. 10 players were awarded All-RMAC honors with junior Jada Bonner garnering RMAC Midfielder of the Year. Four others were named First Team, four to Second Team and one to Honorable Mention. Bonner also became the first player in program history to earn IWLCA All-America honors.

The 2015 squad went 12-5 overall and 5-1 in the Rocky Mountain Athletic Conference. Regis finished second in the conference and was consistently ranked in the IWLCA national polls throughout the entire season ending at No. 18 with a high at No. 13. RU defeated nationally ranked Pfeiffer 15-13 on the road. Kellner saw eight student-athletes named to an All-RMAC Team with Emily Behr being recognized as the RMAC Offensive Player of the Year. Seven Rangers were selected to All-RMAC Academic Teams, with four reaching First Team status, and Emily Elkins nabbing the RMAC Academic Player of the Year.

The Rangers completed the 2014 season with the program’s most successful season to date. Finishing the season at 14-3, the Rangers’ only three losses came to Division I or ranked opponents. The team achieved its first ever national poll rankings, ending the season at No. 15. The Rangers led the nation in caused turnovers per game, the third year in a row the team has led a statistical category.