How Brazil exposed the dangers of F1’s free tyre change red flag rules

The peculiarity of the free tyre change that is allowed under Formula 1’s red flag rules has long been a source of frustration to drivers.

When the situation crops up, like it did in Brazil last weekend and at the Monaco GP in May, those who are caught on the wrong side of things bemoan the sheer randomness of it.

In Monaco, it was all about how the hard compound starters were compromised by the first-lap red flag that allowed all the medium runners a free switch to the hard.

At Interlagos, George Russell, Lando Norris and Charles Leclerc were all left ruing what they had lost by switching to fresh inters as worsening rain arrived, while those that carried on in tricky conditions got a free tyre change after Franco Colapinto’s huge crash.

The apparent luck of the draw is something that time and again gets criticised, and yet no one has come up with the fairer solution.

Back at the 2021 Saudi Arabian Grand Prix, Norris was running sixth early on when he made a stop under safety car conditions for Mick Schumacher’s accident – which dropped him to 14th.

In theory, it was about playing the long game as those ahead of him that did not stop would need to do so under full race conditions later on – so lose more time.

However, his plan fell flat when a red flag was brought out, which handed everyone ahead of him a free stop and left the Briton stuck down the order.

Speaking afterwards, his criticisms of things were similar to what he said on Sunday night after Brazil.

“Of course, I’m always on the bad end of it, so it probably sucks more for me than anyone, but I think it’s just a very unfair rule that should be taken away,” he said.

“I think they should change it to one mandatory pit stop with two different tyre sets needed to be used, and then I think that’s acceptable.

“But this just ruins everything, to be honest. You put so much effort in for it to be taken away for some stupid rule.”

But while the unfairness aspect is the thing that annoys drivers the most, last weekend’s race at Interlagos has put into focus another factor that is slightly more worrying.

It is that in a wet race like Interlagos where conditions are worsening and there is the potential for a red flag, drivers are almost encouraged to stay out on far-from-perfect rubber much longer than they ideally would.

McLaren’s Oscar Piastri, who stopped…