Mercedes rookie Antonelli has lost 26 places off the line across his first four grands prix

Formula 1 starts look simple on TV. Five lights, clutch bite, go. But for Kimi Antonelli, they’ve become the one part of his rookie season that keeps turning clean weekends into messy races. That was the story again in Miami on May 2 and May 3 — a Sprint where he bled places immediately, then a Grand Prix where he launched from pole and still lost ground into Turn 1. He won on Sunday anyway, which almost hides the problem. It shouldn’t. (formula1.com) ### Why are people focused on his starts? Because the rest of the picture is so strong. Antonelli took pole in Miami, won the race, and stretched his championship lead to 20 points over George Russell. He has now won three Grands Prix in a row. So when one weakness keeps showing up, it stands out fast. (fia.com) ### What exactly went wrong in Miami? In Saturday’s Sprint, Antonelli started second and dropped to fourth by Turn 1, then ended up classified sixth after a track-limits penalty. In Sunday’s Grand Prix, he started from pole but said he still lost two places off the line before the first-corner chaos shuffled things around and left him effectively back in the fight. He called that “not acceptable,” even while saying Sunday was better than Saturday. (formula1.com) ### Was the Sprint start his fault? Mercedes says no — at least not that one. Toto Wolff said the Miami Sprint getaway “wasn’t at all his fault” and described it as an issue on the team’s side. The team’s explanation was pretty specific: a battery issue meant Antonelli could not do a proper practice start from the grid before the Sprint, so Mercedes had to estimate grip and clutch settings, and those estimates were wrong. (formula1.com) ### So is this a driver problem or a car problem? Basically, both. Miami’s Sprint issue looks like a team setup miss. But Antonelli has also been unusually candid that he still lacks consistency on the clutch drop itself. He said the bigger issue is confidence and repeatability — getting (formula1.com)instantly. (formula1.com) ### Has this been happening all year? Yes — and that’s why the story has legs. Formula1.com noted slow launches in Australia, China, Japan, and again in Miami. Antonelli specifically said he fell to seventh from the front row in Australia, lost a place to Lewis Hamilton in China, and dropped to sixth on(formula1.com)ed. Add Miami Sunday’s two more lost places, and the pattern is obvious. (formula1.com) ### Why hasn’t it hurt him more? Because his pace is real. In Miami he survived the bad launch, managed the chaos, retook control later in the race, and beat Lando Norris by 3.264 seconds. That’s the part Mercedes will find reassuring — Antonelli is fast enough to recover. But recovery drives are harder once the field tightens, and Miami already showed that rivals have brought upgrades that are putting Mercedes under more pressure. (formula1.com) ### Why does this matter now? Because the easy version of this story is “young driver has one flaw.” The harder version is “championship leader keeps giving rivals a free shot at Turn 1.” Mercedes itself framed starts as a “major limitation” before Sunday’s race, and Antonelli says it is the big point that needs improvement. When margins are this small, that’s not a footnote — it’s a title-fight variable. (mercedesamgf1.com) ### Bottom line? Antonelli’s rookie season still looks exceptional. But the cleanest summary of Miami is that he won despite the problem, not because it’s solved. If Mercedes and Antonelli fix the launch phase, the rest of the grid loses one of its best openings against him. (formula1.com)