29 JAN. 2019 -- ST. LOUIS -- Nerinx Hall High School swimmers Grace Schaefer (left) and Isabelle McGuire talk while warming up at the start of the team's practice at St. Louis Community College - Forest Park in St. Louis Monday, Jan. 28, 2019. The Markers are unbeaten in dual meets this season, finished first at the Ladue and Cape Central invitationals, and several swimmers from the team have set school records this year. Photo © copyright 2019 Sid Hastings.