Glaeser was a longtime successful coach for the women’s soccer and men’s lacrosse programs at Mary Washington, leading both to NCAA Tournament appearances. In soccer, he coached the Eagles to 12 conference titles and 12 NCAA Championship appearances, including the final four in 1992 and the elite eight in 1997 and 1998. His 244 victories rank as among the most in Division III history, and his 71.0 win percentage is among the best ever in Division III. Glaeser also led the men’s lacrosse program to the NCAA Tournament in 2014, ranking as high as 12th in the nation. His combined 428 career wins in 27 years leave a lasting legacy in both programs’ histories.