MegaSports MurfTurf's Wonderful World of Sports Nerd World Media Sports Index - tons of sport related links to web pages and newsgroups. Information for recreactional and competitive events worldwide, including triathlons, duathlons, running, walking, and cycling. SearchSport - if it's sport, find it here. SportFind SportingBoard - find sport partners, coaches, or teams nationwide. Also provides tools for online registration and league management.
Features chats on a variety of sport and outdoor activities.