Marathon (sport)

The word marathon refers to a long-distance road running event of 42,195 m (26 miles and 385 yards).

External links

• IAAF International Association of Athletic Federations
• Marathon and Beyond
• Marathon Guide
• Hyponatremia among Runners in the Boston Marathon by Christopher S.D. Almond, M.D., M.P.H., Andrew Y. Shin, M.D., Elizabeth B. Fortescue, M.D., Rebekah C. Mannix, M.D., David Wypij, Ph.D., Bryce A. Binstadt, M.D., Ph.D., Christine N. Duncan, M.D., David P. Olson, M.D., Ph.D., Ann E. Salerno, M.D., Jane W. Newburger, M.D., M.P.H., and David S. Greenes, M.D.
• Study Cautions Runners to Limit Their Water Intake by Gina Kolata
• Brain-Dead From Sports Drinks New York Times editorial
• American Family Physician: Sudden death in young athletes: screening for the needle in a haystack among other statistics, this reference link mentions the estimate that there is approximately 1 fatality per every 50000 people finishing a marathon.