FellsBiker.com - About mountain biking in the Middlesex Fells Reservation. Includes maps, photos, and trail information. Dover/Sherborn Soccer Club - Provides schedules, registration information, and articles. Acton Boxboro Youth Soccer - Provides calendar, coaches guide, uniform information, and field maps. Planet Tennis USA - Runs camps in Dunstable, Lowell, Townsend and Tyngsboro for youth from 5 to 16. SMS Youth Hockey Association - Information about the youth hockey program, serving Bolton, Clinton, Lancaster, Maynard, Stow, and Sudbury. Acton Boxboro Youth Hockey Association - Provides newsletters, program and team information, photo gallery, and merchandise. Minuteman Babe Ruth League - Spring baseball league for players of ages 13-15 in the towns of Concord, Carlisle, Maynard, Stow, Sudbury, Lincoln, Wayland, Westford, and Weston. Groton Dunstable Youth Soccer Club - Field maps, registration information, and club calendar. AM Hockey League - Morning ice hockey program for adults. Includes downloadable schedules (Microsoft Excel format), player profiles, statistics, rules, and photos. (Concord-Carlisle)