THE DUST
How a Broken Leg Made Baja's Ironman
A friend fell off a ladder, a San Diego fence builder inherited the seat, and Ivan Stewart drove every mile of the 1973 Ensenada 300 to an overall win. The solo habit started there.
Updated September 9, 2026
The most famous nickname in desert racing started with a ladder. In 1973 Ivan Stewart was set to share a Class 2 buggy at the Ensenada 300 with his friend Bill Hrynko, who owned the car. Days out, Hrynko fell off a ladder and broke his leg. Stewart went anyway, drove the entire race himself, and won it overall.
The record deserves one clarification, and Stewart is the one who supplies it. In a 2013 interview with Off Road Xtreme he explained that mechanic Earl Stahl rode along in the two-seater, so it was not a formally solo entry — but Stewart did all the driving, start to finish. That is the actual turning point: a driver finding out he could do the whole thing himself, and then building a career around single-seat cars.
At the time he was an ironworker for Atlas Fence in San Diego. Off-road was the weekend habit that the fence work paid for, and somebody else’s bad luck had just handed him a full race.
What turned that into an identity was the equipment. As single-seat cars became viable, Stewart kept taking them long-distance while much of the field still ran the sensible two-driver relay. Valvoline hung an incentive on it — an Ironman award, five hundred dollars, for winning a Baja 500 or Baja 1000 alone in a single-seater. He has placed the start of that around the mid-seventies without pinning the year, which is fair enough fifty years on. What is documented is the 1976 Baja 1000, which he won in a single-seat car, and the fact that writers started reaching for the nickname and never put it back down.
The official overall table for 1976 has Stewart at 12:17 and the fastest motorcycle at 11:30. He won the four-wheel side of it alone, over a distance most people split between two drivers. That is already the whole point.
It is worth spelling out why solo is hard, because from the outside it looks like a stamina brag. A long Baja race is a decision-making job. You are picking lines at speed with a windshield full of dust, reading a course you last saw at prerun pace, managing fuel and tires and a truck that is telling you things through the seat. A co-driver is a second brain for exactly that. Running without one means every navigation call, every damage assessment and every judgment about how hard to push is yours, at hour nine, in the heat, with nobody to argue you out of a bad idea.
Doing that once is a story. Doing it as a career is a method, and it is the thing that made the name stick before there was any marketing behind it.
The factory chapter arrived in 1983, when Toyota and Cal Wells’ Precision Preparation Inc. put him in their program. That partnership ran for the better part of two decades and produced the truck most people picture when they hear his name, plus a stadium career under Mickey Thompson’s MTEG banner that was every bit as decorated as the desert one. By the time he was done he had piled up something on the order of 84 wins, 17 Baja 500 victories, three Baja 1000s and multiple SCORE championships — and a generation who never smelled race gas knew the name anyway, off an arcade cabinet.
But the origin is smaller and better than any of that. A friend broke a leg, a fence builder took the wheel for the whole race, and then spent the next twenty-five years volunteering for the hardest available version of the job.
SOURCES
- Off Road Xtreme — interview with Ivan Stewart by Stuart Bourdon, November 20, 2013 (1973 Ensenada 300, Hrynko’s leg, Earl Stahl, Valvoline Ironman award)
- IvanStewart.com — official biography
- IvanStewart.com — 40 Years of Winning career record
- SCORE International — all-time overall winners table (1976 times)

