Karsen Green, 16, finished the June 10 Rotary Race to the Finish in 17:30, more than a minute ahead of the rest of the field. Green, a Gurnee resident, runs for Warren High School. Suresh Decosta, 34, from Skokie finished second in 18:48. Bill Cohn, 47, of Chicago, placed third with a time of 18:54.

For the women, Evanston's Karen Witkin, 35, won in 20:29. Christine Anyetei-Vog, 29, from Poughkeepsie, N.Y., placed second in 21:38. Rebecca Hadesman, 42, from Libertyville, followed with 21:49.

The Rotary Race to the Finish course wound along the Lake Michigan shore in Evanston around the Northwestern University lakefill and Centennial Park.

Since it began seven years ago, the Rotary Race to the Finish has raised $250,000 toward eliminating polio worldwide. The disease, which affects children under age 5, is nearly eradicated: only four countries in the world have recently reported infections.

Click here for race results.

First-place winner Karsen Green, 16, of Gurnee (17:30).

Female winner Karen Witkin, 35, from Evanston (20:29).