Cool Running — Race calendars, training tips, information on youth running; it's all here.

About.com Running & Jogging — Running advice and tips, health information, and community support for runners of all ages and skill levels.

Runners Web — A running and triathlon resource site.

Road Runners Club of America — Over 700 clubs and 180,000 members throughout America.

Running Network — The most comprehensive source of information for grassroots runners online.

Runner's World Magazine — It's not just a website for the magazine; it's a world of advice for runners.

Running Shoe Reviews — Find the best pair for your hard-working feet.

About.com Sports Medicine — A site of expert information and advice to keep athletes healthy.

Dr. Pribut's Sports Medicine Page — A site with lots of helpful sports medicine information.

Is the 10% Running Rule a Myth? — Fact or fiction: when wanting to ramp up your running, you should only increase your mileage by 10% each week.