What happened: McLaren will run a one-off commemorative livery at the Monaco Grand Prix to mark the team's 1,000th Formula 1 World Championship Grand Prix. The milestone was flagged by F1 journalist Chris Medland, with the team lining up celebratory touches across the weekend at the principality circuit.

Why it matters: Reaching 1,000 Grands Prix places McLaren among the most enduring names in the sport, a milestone the team is set to mark at Monaco. Per the surrounding race-weekend chatter, McLaren would become only the second constructor to reach the figure, after Ferrari.

What to watch: Watch for the full commemorative design to break