Lewis Hamilton and Simon Pagenaud won two of the world’s biggest motor races from pole position within hours of each other on Sunday – but there was little that could be described as predictable about either the Monaco Grand Prix or the Indianapolis 500 this time around.

In Monaco, Hamilton led all the way on a circuit that increasingly feels like a clay pigeon shoot in a bathroom. Formula 1 cars outgrew the Principality’s famous streets years ago and some make a case that if the drivers can’t race, it should be dumped off the calendar. They clearly have no soul. Monaco is an exception worth persevering with – as Sunday’s race proved.

Max Verstappen’s chase of Hamilton and the leader’s struggles on medium-compound tyres that left him, as his boss Toto Wolff put it, “with zero rubber for the last 20 laps”, made this a Monaco GP of high tension. Much like Nigel Mansell’s desperate late-race chase of Ayrton Senna around here in 1992, you couldn’t take your eyes off it.

Verstappen’s lunge was probably the most predictable moment of the day – but in a good way. The Dutchman doesn’t race for podiums and he had to have a go, despite already having earned a five-second penalty for an unsafe release from a pitstop that brought him into the path of Valtteri Bottas. The contact had led to a puncture for the Mercedes driver.

But having gained track position to chase Hamilton, Verstappen gave his all despite the penalty that hung over him. The late-race move was never really on, but the contact between the Red Bull and Mercedes was slight and left no significant damage. No harm done, then – even if it released the tension from a mesmerising battle between two modern-day F1 warriors. Niki Lauda would surely have approved.

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Across the Atlantic in Indianapolis, Pagenaud became the first Frenchman since René Thomas in 1914 to win the 500, as he secured an 18th victory in the Big One for Team Penske. And ‘The Brickyard’ was entranced by the type of genuine wheel-to-wheel action that can never be a feature of Monaco.

Pagenaud controlled the pace during its first half, but 2016 winner and former F1 driver Alexander Rossi then came on strong in his Andretti Autosport entry. It was Rossi who led before a late-race multi-car collision caused a red flag stoppage, only for Pagenaud to assert himself once more from the restart, with just 13 laps to run.