Tyre Failures Reduce 2005 U.S. Grand Prix to Six Cars at Indianapolis

Overview

• The crisis began in Friday practice when violent left‑rear tyre failures for Ralf Schumacher and Ricardo Zonta at the banked Turn 13 showed Michelin rubber could not survive the loads on the newly resurfaced corner.
• Michelin concluded its tyres were unsafe for a full race distance and offered three emergency remedies: a temporary chicane, permission for mid‑race tyre changes, or an alternative tyre flown in from Europe.
• The FIA rejected all of Michelin's proposals on the grounds that altering the track or tyre rules at short notice would be unsafe and unfair to Bridgestone‑shod teams under the 2005 regulations.
• After the formation lap all 14 Michelin‑supplied cars pulled into the pits and withdrew, leaving six Bridgestone‑shod cars to start; Michael Schumacher won, Rubens Barrichello was second, and Tiago Monteiro took third.
• The episode left fans and drivers angry, cost Indianapolis its place on the calendar after 2007, and has been cited in retrospectives as a cautionary example of how tyre limits and rigid governance can produce major sporting and reputational damage.