Road Runners Club of America: The RRCAs mission is to represent and promote the common interests of its member clubs, events, and individual runners through education, leadership, programs and other services.
Runner’s World Online
Cool Running: Comprehensive running web site: news, forums, community, linked with the Active.com network.
The Worldwide Marathon Directory
Fun On Foot: Running, jogging and walking books
Running in the US: A largest online directory of races, results and clubs.
AthLinks: social network for competitive endurance athletes.
WMA Age Grading Calculator
NYCRUNS: for New York area runners.
Run Repeat: User reviews of popular running shoes.
Heart Health Benefits of Running: Article from Pacific Medical Training
Track & Field
World Rankings for Masters Athletes
USA Masters Track Rankings
Masters Track web site
Masters History: This site is dedicated to preserving masters track and field history.
All-Athletics.com:The most comprehensive international athletics database.
National Masters News: National Masters News is the only national publication devoted exclusively to long-distance running, ultra running, track and field and racewalking for men and women over the age of 30.
Sports & Fitness
Physical Therapy Aide: a comprehensive list of schools offering a Physical Therapy Aide degree as well as practical information on possible careers in the field.
TreadmillReviews.net: The most complete information on treadmill reviews including star ratings to help make your decision if you are interested in a treadmill.
Reviews.com – Treadmills: Treadmill reviews and comparisons of 2013 models.