Gatorade Sports Science Institute
- Provides articles, tips, research, educational tools, and interactive presentations on sports nutrition and exercise science.
- http://www.gssiweb.com/

Train Boston
- Sports and fitness training centers for adults and youth located in Wellesley, Acton and Norfolk.
- http://www.trainboston.com

Big Dreams Fitness
- Services include swimming, biking, running, triathlon, strength and conditioning customized training plans, private, semi-private, and small group personal training and coaching services.
- http://www.bigdreamsfitness.com

Physical Solutions
- Customized personal training programs and rehabilitation therapy.
- http://physicalsolutionsnc.com

Peak Power Sport Development
- Offers sport science testing and applied training for teams and individual athletes of all sports and abilities.
- http://www.sportdevelopment.com

Explosive Performance
- Sport specific training programs for teams and individual athletes.
- http://www.explosiveperformance.com/

Athletic Perception Institute
- Personal training program for improving visual perception in sports.
- http://www.apivision.net

Sports Speed Etc.
- Specializes in strength, agility, speed, resistance, and endurance training clinics and programs focusing on improving athletic movement.
- http://www.sportsspeedetc.com

Athletes' Performance
- Intensive training facility for serious competitive athletes in Tempe, AZ.
- http://www.athletesperformance.com

CrossFit
- Strength and conditioning program for police, military, and athletes. Includes message board, exercise videos, seminars and certifications offered, logo merchandise, and subscription journal.
- http://www.crossfit.com

OverSpeed Training
- Training information, equipment and programs specifically related to overspeed, speed and agility. Developed with the collegiate soccer player in mind, but applicable to other sports.
- http://www.overspeedtraining.com

Speed Training
- Speed training system for athletes and coaches focused on improvements in sprint time and acceleration.
- http://www.speedtrainingonline.com/

Fitness Testing Guide by Rob Wood
- A comprehensive site on all things to do with fitness testing, including discussions and descriptions of over 30 fitness tests.
- http://www.topendsports.com/testing/

WebSportsCoach.com
- Guide to sports camps for all ages and skill levels in a variety of sports and selected links to sports instructional websites.
- http://www.websportscoach.com

Dr. Relax
- A web-based training program. Contains a description of methods, how to schedule a speaking engagement, and cost details.
- http://www.doctorrelax.com/

Hatha Yoga Lesson
- In depth instructional site with animated gifs that demonstrate stretching and yoga techniques to increase strength and flexibility.
- http://www.hathayogalesson.com/

Athletic Leagues and Sports Clubs Nationwide
- Provider of year-round sports, parties and world wide travel for over 350,000 active adults ages 21 to 34.
- http://www.sportandsocialclubs.com

TrainingBible.com
- Web based training system based on Joe Friel's "Bible" series of books for triathletes, cyclists, runners and endurance athletes of all levels.
- http://www.trainingbible.com

SpeedQuest
- Athletic speed and quickness training.
- http://www.speedquest.net

National Athletic Trainers' Association
- Current events, education, meeting information, membership details and member awards.
- http://www.nata.org/

Sport Specific Training Programs
- New sports training manuals that are guaranteed to improve your speed, strength and agility. Free training report and newsletters are featured.
- http://www.sportspecific.com/

Elite Athleticism
- Multi-faceted program developed by Dean Brittenham to increase flexibility, strength, endurance, energy and explosive coordination. Facility located at Scripps Clinic, Shiley Sport and Health Center in La Jolla, California.
- http://www.athleticism.com/

Winning Stats Training Logs
- An Internet based cycling program that allows atletes to log daily cycling and races. Also includes log programs for running, cross-country skiing, in-line skating, and swimming.
- http://www.winningstats.com/