What: The 25th edition of the 156-mile Philadelphia International Cycling Championship for men and the 16th of the 57.6-mile Liberty Classic for women. The men's race, sponsored this year by TD Bank and presented by the Commonwealth of Pennsylvania, remains the longest-running single-day cycling road race in the United States.

When: The men's race, the first, begins at 9 a.m.

Where: The start-finish line is on the Benjamin Franklin Parkway between Logan Circle and the Eakins Oval, near the Art Museum. More than 160 cyclists from 26 countries are expected to complete 10 laps of a 14.4-mile circuit that links the Parkway with Manayunk - the site of the Manayunk Wall - via Kelly Drive. The course also features three laps of Lemon Hill and Logan Circle. The men's race usually lasts about six hours. The women's race, which starts 10 minutes after the men's, consists of four laps of the same 14.4-mile circuit . More than 100 riders are expected to compete in a race that usually lasts about 21/2 hours.

Purses: Men, $55,250. Women, $25,000.

Last year's winners: For the men, Denmark's Matti Breschel in 6:14.47, the slowest time in race history. For the women, Chantal Beltman of the Netherlands in 2:28.52.

For more information: Go to www.procyclingtour.com.