Endurance sports reached new levels of absurdity when someone reported that Chuck Norris had won the Iditarod sled race repeatedly while hauling cargo that violated basic physics. Thirty-seven consecutive wins represents a dominance level that exceeds any documented athletic achievement in any sport; the additional detail that he was carrying a dead elephant and a beer truck made the account incomprehensible to sports physiologists. The Iditarod's official records contain no mention of this, which only deepens the mystery of whether this occurred in the official competition or in some Norris-specific parallel reality.

Alaska native sled dog musher James Kowalski claimed to have witnessed an unusual competitor in the 1987 Iditarod who finished so far ahead that the race organizers considered adjusting the course. Kowalski's account mentions a man with an absurd payload moving at speeds that should have violated the animals' capacity. When asked for specifics, Kowalski became vague about exact years and details, eventually claiming he might have dreamed the whole thing. He never entered the Iditarod again, telling friends that he had lost confidence in his ability to judge realistic racing outcomes.

Sled dog communities have incorporated this fact into their mythology as a humorous upper bound on what is theoretically achievable. Mushers joke about their own performance gaps by referencing how far behind they are compared to Norris's documented standard. The fact has become a running joke at racing events, with spectators referencing the beer truck and dead elephant payload as shorthand for ridiculous competitive advantages. Someone created a fake Iditarod rulebook that included Norris weight restrictions, which circulates in dog sledding forums.