Oscar Piastri Warns of 'Motocross' Bumps at Circuit of the Americas

Oscar Piastri has sounded the alarm over the track conditions at the Circuit of the Americas (COTA), describing the bump in the Turn 1 braking zone as a "motocross jump." The comment reflects a wider frustration among the grid, with Max Verstappen also labeling the surface "unacceptable" as drivers struggle with the unpredictable terrain during the United States Grand Prix weekend.

Why it matters:

The instability of the track surface, caused by COTA's location on former marshland, creates significant unpredictability under heavy braking. While qualifying laps are manageable since braking often occurs after the bump, the risk increases exponentially during race conditions. Specifically, during overtaking maneuvers into Turn 1, drivers must brake directly on the irregularity, which can compromise car stability and lead to critical errors.

The Details:

• Critical Zones: Piastri identified Turn 1 as the most severe point, noting that the bump into Turn 19 is similarly problematic.
• MCL40 Struggles: McLaren is finding it difficult to extract performance from the MCL40. Piastri starts seventh, trailing pole-sitter Kimi Antonelli by over eight-tenths of a second.
• Handling Issues: The car is currently described as being on a "knife edge." Piastri noted that the combination of complex corner sequences and surface bumps makes it nearly impossible to maintain a consistent limit without losing the car.
• Performance Gap: Current data suggests McLaren is roughly two-tenths off the pace of Mercedes and Red Bull, further complicated by the car's unpredictable behavior at this specific venue.

What's next:

The FIA has been formally notified of the surface concerns, and Piastri expects a resolution for the next season. As the 2026 campaign enters its final stages, the focus will be on whether these structural corrections are implemented before 2027 to ensure driver safety and competitive fairness at one of the calendar's most technical circuits.