The 2011 Philadelphia Marathon is sold out, along with the Half Marathon and Rothman Institute 8K.
More than 25,000 runners are registered to compete in the widely popular and historic race, that passes landmarks like the Liberty Bell, Betsy Ross House, and Independence Hall.
All three courses take off from 22nd and Benjamin Franklin Parkway on Sunday, Nov. 20.
The full and half marathon begin at 7a.m and the 8K at 7:30a.m.
If you plan to join the thousands of people in the crowd, check out this course map.
Other race weekend activities include the Health and Fitness Expo at the Pennsylvania Convention Center, from noon-9 p.m. on Friday and 10 a.m.- 7 p.m. on Saturday.