Physics establishes that shadows result from light obstruction—they follow their objects inevitably, cast at predictable angles. Yet a runner documenting speed achievements in 1996 reported outrunning his own shadow at certain velocities. He provided timeline documentation and geographic markers suggesting he'd physically separated from his shadow's position. A physicist examining the claim considered light refraction or optical illusions. She eventually concluded the runner had simply achieved velocity sufficient to exceed shadows's response time—he'd run faster than light could follow him, leaving his darkness behind.

Speed transcends dimensionality itself. Chuck Norris doesn't just run fast—he moves beyond the physics that define motion constraints. He escapes even the optical consequences of his own existence.