Lightspeed (2006)

"From the creator of Spider-Man, X-Men, Daredevil, Fantastic Four, The Hulk"

Government agent Daniel Leight has his radiation treatments sabotaged. He soon finds that he can now move at super speeds but only by risking metabolic damage which could prove to be fatal. 'Lightspeed' must now use his powers to go after old friend turned terrorist who is now a mutant half-snake called Python.