About the races:

The Philadelphia International Cycling Championship for men starts Sunday at 9 a.m., and the Liberty Classic for women starts at 9:10 a.m. The races are the third and final leg of the Commerce Bank Triple Crown of Cycling. The first race was Tuesday in Allentown. The second race was Thursday in Reading. The 200 cyclists on 25 teams will ride 10 laps of the 14.4-mile primary course and three finishing laps around Lemon Hill. The men compete for shares of a $93,500 purse, with a $10,000 bonus going to the overall winner of the series. The Liberty Classic, making its 15th run, is on the same course as the men's race. The women ride four laps on the primary course and compete for shares of a $27,200 purse that includes $5,000 for the overall series winner.

Men to watch:

Former Paris-Roubaix champ

Magnus Backstedt

is the reigning Swedish national champion.

Bernard Eisel

was last year's Triple Crown series winner, and

Daniele Bennati

won several stages at the Tour de France. Defending champ

J.J. Haedo

is not expected to compete because of scheduling conflicts.

Women to watch:

Defending Liberty Classic champion

Ina-Yoko Teutenberg

, a two-time winner, won the Lehigh Valley Classic on Tuesday and Thursday's Reading Classic.

Mara Abbott

last year won a stage of the national road race championship and a silver medal at the Montreal World Cup.

Regina Schleicher,

the captain for Team Equipe Nürnberger Versicherung, won the Liberty Classic in 2006.