1993 Michigan 500
IndyCar race at Michigan Int'l Speedway

The 1993 Michigan 500, the thirteenth running of the event, was held at the Michigan International Speedway in Brooklyn, Michigan, on Sunday, August 1, 1993. Branded as the 1993 Marlboro 500 for sponsorship reasons, the race was won by Nigel Mansell, his only Michigan 500 win. The event was race number 10 of 16 of the 1993 PPG Indy Car World Series.
Background
During the offseason, four-time Indy 500 winner Rick Mears announced his retirement from racing. Mears' last victory in Indy car came in the 1991 Michigan 500. Penske driver Paul Tracy was elevated into the ride, taking over full-time after finishing second in the 1992 Michigan 500.
The biggest story going into the season surrounded Newman/Haas Racing. Michael Andretti left the CART series and signed with McLaren to drive in Formula One. Taking Andretti's place would be reigning Formula One World Champion Nigel Mansell. Mansell came to the American open wheel series with considerable fanfare and huge media attention.
This brief starts where responsible research should: with the source description of “1993 Michigan 500” as indyCar race at Michigan Int'l Speedway. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the general reference register because the source frames it as indyCar race at Michigan Int'l Speedway. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated May 26, 2026. The linked authority identifier is Q10583819. Authority coordinates are 42.066, -84.241. None of the 1 selected statements returned an explicit reference. The first chronological checks are 1993, 1991 and 1992.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “1993 Michigan 500” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.