The penultimate race in the Westport Road Runners summer series -- a challenging 9.3-mile run -- is scheduled Saturday morning, with the start and finish at Compo Beach.

The course record has stood for a dozen years since Tom Harding, of Westport, was clocked at 49:59 in 2001.

Mary Zengo set a new women's standard last year with a time of 1:00:42.

Saturday's race begins at 8 a.m. The series ends on the Saturday of Labor Day weekend with a 10-miler.

Last Saturday, James Osborn cruised to victory in an 8.4-mile race.

The 34-year-old Ridgefield runner covered the Burying Hill Beach course with a winning time of 48 minutes and 44 seconds.

Spencer Brown, 15, of Wilton, was the runner-up in 50:08, while Tom Parise, 24, of Stanford, Calif., was third in 51:10.

Rounding out the top five finishers were Peter Mullen, 44, of Riverside, in 51:46 and Stephen Marsalese, 47, of Rye Brook, N.Y., in 53:52.

Deirdre O'Farrelly, 53, of Westport, was the top female finisher in 1:02:30. She placed 26th overall.

Fred Willis, 28, of Shelton, was sixth in 55:01; Chris Tingue, 27, of Greenwich, was seventh in 55:05; David Mortner, 22, of Westport, was eighth in 55:33; Paul Greenberg, 52, of Westport, was ninth in 55:44; and Patrick Sullivan, 51, of Westport, was 10th in 56:14.

Top 25 finishers

1. James Osborn, Ridgefield, 34, 48:44; 2. Spencer Brown, Wilton, 15, 50:08; 3. Tom Parise, Stanford, Calif., 24, 51:10; 4. Peter Mullen, Riverside, 44, 51:46; 5. Stephen Marsalese, Rye Brook, N.Y., 47, 53:52; 6. Fred Willis, Shelton, 28, 55:01; 7. Chris Tingue, Greenwich, 27, 55:05; 8. David Mortner, Westport, 22, 55:33; 9. Paul Greenberg, Westport, 52, 55:44; 10. Patrick Sullivan, Westport, 51, 56:14; 11. Leo Biala, Stamford, 35, 56:15; 12. Bert Howard, Shelton, 45, 56:30; 13. Eric Sydor, Westport, 34, 56:33; 14. Roger Baxley, Weston, 44, 56:43; 15. John Tarantino, Cos Cob, 35, 58:27; 16. Kyle Astle, Fairfield, 28, 58:42; 17. David Ott, Darien, 50, 59:34; 18. Brett Jones, Bridgeport, 27, 1:00:01; 19. Jeremy Murphy, Old Greenwich, 36, 1:00:20; 20. Ray Vogt, Fairfield, 50, 1:00:43; 21. Bill Hunter, Fairfield, 51, 1:01:29; 22. Alex Cotter, Rowayton, 35, 1:01:45; 23. Stephen Velasquez, Bridgeport, 17, 1:01:53; 24. Will Hoffman, Wilton, 16, 1:01:54; 25. Michael Finn, Westport, 49, 1:02:10.