LINKS:
http://wiki.croomphysics.com/index.php?title=Physics_of_Track_and_Field
http://www.real-world-physics-problems.com/physics-of-running.html
http://www.angelfire.com/mo/PhysicsSports/
http://trackandfield.about.com/od/techn4/p/Sprint-Acceleration.htm
http://www.faqs.org/sports-science/Pl-Sa/Running-Physics.html