The Vegetarian Resource Group provides lots of easily understandable information for people considering vegetarianism.

Runner's World has advice for runners at every level. The site offers training and nutrition information and has links to running sites for different audiences, like women and kids and new runners.

Bicycling is good for new cyclists and old pros. The site gives advice on choosing a bike, training, and nutrition.

Bill Pearl, five-time Mr. Universe, offers excellent guides for getting started on a weight training program. His books are thorough and easy to follow, and his website offers lots of free information.

Women's Weightlifting Links n' Lessons is an excellent (and funny) resource for women who want to lift.