| | Conditions Treatments | Sports Injury What is the average javelin throw for a 15 year old boy? According to the National High School Athletic Coaches Association (NHSCA), the average javelin throw for a 15-year-old boy is 141 feet 1 inch (43.05 meters). Sports Injury - Related Articles Homeless Needs in the Winter Effective Acupuncture Treatment for Migraines Third Stage of Cancer How to Treat Skin Cancer With Sodium Bicarbonate Meditation Focus Techniques Health Benefits of Vitamin B50 What can pregnant women do to avoid salmonellosis?