Directions: From the north (Littleton): Route 2 east to exit 42 to merge into Route 27 South; Route 117 East; Right turn on Pantry Rd., Left on Lincoln Rd. From the east (Route 128): Take Route 20 West; Right turn on Route 27 N; Right turn On Concord Rd., Right turn on Lincoln Rd. From the west (Marlboro): Take Route 20 East; Left on Union Ave.; Cross Route 27; Continue on Concord Rd., Right turn on Lincoln Rd. View Map
Route: All rides start in Sudbury MA. The 25 mile route is circles the general Sudbury area. The 50 mile route passes though Harvard before returning though Acton and Sudbury. The other 3 routes – 75, 100, and 125 are very similar. All pass though Harvard, Dunstable, Concord, back to Sudbury. The 100 mile route adds a spur to Hollis, NH. New Starting Location: All rides start and finish at the Lincoln Sudbury Regional High School, 390 Lincoln Rd, Sudbury MA. View the 2010 century route:
Route at RideWithGPS
View and print cue sheet
View and print map
GPX file
TCX Course