Kevin Day was named the Wilmington University Women's Lacrosse head coach in October 2017. He began his first season as a collegiate head coach in the spring of 2018.

For the third season in a row (2019 and 2021-22), Day led the Wildcats to the CACC Tournament Semifinal Round, earning the No. 5 seed for the Tournament and defeating Holy Family, 18-11, on the road in the opening round. The Wildcats went 11-8 overall in 2022, earning the No. 5 seed with a 5-4 CACC record. His 36 coaching victories now places his second overall in program history.

In 2019, Day brought the Wildcats back to the CACC Tournament Semifinals for the first time since 2015, and nearly sprung the upset over No. 2 seed Jefferson. His team went 11-8 overall, going 7-2 in CACC play to finish third in the standings. He was named the CACC Coach of the Year for the first time in his career. He also helped lead four women to be named All-CACC, including the CACC Rookie of the Year in 2019.

Day became the program’s fourth head coach, and joined the collegiate ranks after being a part of the South Eastern Girls Lacrosse Program in Fawn Grove, Pa., for nine years. He started coaching the club program in 2008 while also being the commissioner of the organization for his last six years.

Day also coached at Kennard Dale High School, leading the team to the 2017 PIAA 2A State Championship game. Since becoming a coach at Kennard Dale in 2010, he helped the program to five YAIAA Championships, three PIAA District 3 finals appearances, including the run to the State Final.

He has also created and directed the Mason Dixon Girls’ Lacrosse Camp, coached for the Looney’s Lacrosse Club for nine seasons, and coached at multple camps and clinics in his career..