RJ and Makay

Chris Schlack, a second-year analyst at Merrill Lynch & Co., fought a stomach virus to claim the unofficial title of Wall Street’s best athlete at a charity decathlon in New York.

The 24-year-old Schlack finished first out of 25 traders, bankers and advisers yesterday to win the 10-event competition, which benefits Lance Armstrong’s LiveStrong Foundation to fund cancer research.

Schlack, whose grandmother died of ovarian cancer in February, finished with 7,514 total points, 38 ahead of runner- up Jason Tufo of Virtu Financial Services Inc.; Justin Nunez of Goldman Sachs Group Inc. was third.