Angry Grosjean, Hamilton's Secret, and F1's Engine Future: Sunday's Key Headlines

Sunday's F1 headlines were packed with drama and intrigue, from an angry Romain Grosjean confrontation in IndyCar to Charles Leclerc claiming he has uncovered the secret behind Lewis Hamilton's record-breaking career. Meanwhile, Max Verstappen is in talks with Ford for a potential Le Mans entry, and Red Bull explained how their Miami performance improvement went beyond just car upgrades.

Why it matters:

With the 2026 season in full swing, these stories reveal simmering tensions, off-track ambitions, and technical insights that could shape the competitive landscape. Grosjean's outburst highlights the intense rivalries in IndyCar, while Leclerc's analysis of Hamilton offers a rare glimpse into the mindset of a seven-time champion. Verstappen's potential move to endurance racing and the uncertainty around F1's 2027 engine rules add layers of intrigue to the sport's future.

The details:

• Romain Grosjean vs Marcus Armstrong: Untelevised IndyCar footage shows a furious Grosjean trying to reach Armstrong at Indianapolis, only to be restrained by Armstrong's Meyer Shank Racing crew. The two eventually came face-to-face in a heated confrontation.
• Lewis Hamilton's secret: Ferrrari teammate Charles Leclerc says he has studied every bit of Hamilton's approach before he gets in the car, revealing the foundations of Hamilton's historic success. Leclerc believes this discovery gives him a new understanding of what makes Hamilton exceptional.
• F1 2027 engine agreement: The FIA announced a tweak to the electric vs. internal combustion engine split for 2027, but PlanetF1.com's Thomas Maher warns that delivering the changes may not be straightforward, with potential hurdles that could unravel the deal.
• Max Verstappen and Ford: The four-time world champion, a vocal critic of the 2026 regulations, hinted at walking away after this season. However, Ford has held talks with Verstappen about a potential Le Mans 24 Hours entry, a race on his bucket list outside F1.
• Red Bull's Miami breakthrough: Laurent Mekies revealed that Red Bull's improved performance in Miami, where Verstappen scored P5, came from more than just RB22 upgrades. The team found gains through a combination of setup changes and operational improvements.

What's next:

The Grosjean-Armstrong feud could boil over in upcoming IndyCar rounds, while Leclerc's insight into Hamilton may help Ferrari's internal dynamic. Verstappen's Le Mans talks with Ford suggest he is seriously planning for life after F1, possibly as early as 2027. And with the 2027 engine rules still uncertain, teams and manufacturers will be watching closely as the FIA navigates the technical and political challenges ahead.