The Baja 500 is run as a loop race, meaning all competitors depart from and return to Ensenada rather than covering a point-to-point course. This configuration keeps the event concentrated on the northern portion of the peninsula and allows spectators and service crews to position themselves more easily than on the longer Baja 1000. Course mileage is re-routed each year by the organizers, so the precise distance and character of the terrain shifts between editions even while the overall structure remains consistent.
The race accommodates an unusually broad range of vehicle classes. Trophy Trucks — the headline class of large, long-travel four-wheel-drive machines — compete alongside a wide array of buggies, Baja Bugs, side-by-side utility vehicles, custom fabricated race vehicles, motorcycles, and ATVs. This breadth makes the Baja 500 one of the most diverse off-road racing events in the world by class count.
The SCORE class structure for the Baja 500 spans cars, trucks, motorcycles, and ATVs. Among four-wheel vehicle classes, SCORE Trophy Truck is the unlimited production truck category that draws factory-backed entries; Trophy Truck Spec restricts competitors to stock or sealed V-8 engines with two-wheel drive; and Trophy Truck Legends reserves the unlimited class for drivers aged 50 and over. Open-wheel classes range from the unlimited Class 1 to small-displacement classes capped at 1600cc. Dedicated classes exist for Baja Bugs — Volkswagen Beetle-based off-road machines — in both unlimited and 1600cc forms, as well as for production short-wheelbase 4x4 Jeeps, full-sized two-wheel-drive trucks, and multiple buggy formats.
On two wheels, SCORE divides motorcycle entrants by engine displacement, with classes running from 125cc two-stroke machines up through unlimited 250cc-plus categories. Age-based motorcycle classes — for riders over 30, 40, 50, and 60 years old — give the race a significant participation dimension beyond the elite level. ATV classes are similarly split by displacement, with a boundary at 250cc.
The Baja 500 has been a fixture of off-road motorsport on the peninsula for decades, predating the formal SCORE structure and evolving alongside it. The event has attracted top Trophy Truck teams from across North America, with manufacturer-backed programmes and well-funded privateer operations regularly fielding multiple cars. In 2025, Alan Ampudia won overall in the Trophy Truck class, completing the 461.03-mile course in 8 hours, 39 minutes and 34 seconds in a Ford Raptor.
Within SCORE International's calendar, the Baja 500 occupies the role of the mid-season proving ground. It is shorter and considered somewhat less gruelling than the Baja 1000, but the desert terrain, mechanical attrition, and navigation demands still make finishing — let alone winning — a significant achievement. For factory teams, the 500 often serves as a test and development race ahead of the season's prestige event. For privateers and two-wheel competitors, it is frequently a career milestone in its own right.
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