We're a week into 2025, and with preseason testing still seven weeks away, ESPN unpacks the storylines that will define Formula 1 this year.

It can also suit the promoters. Zandvoort’s decision to stop hosting F1 after 2026 points to the pressures — and costs — involved in staging a race. Spa looked in serious doubt just a few years ago, and while the interest from the local stakeholders has certainly taken an uplift since then, a couple of off years may actually suit the track.

Ferrari have been tipped to run with a "more extreme" livery for the F1 2025 season following Lewis Hamilton's arrival from Mercedes.

Fred Vasseur expects Lewis Hamilton's arrival at Ferrari to set off a chain reaction that will result in more "good people" joining his side

The first time Hamilton dons the famous red Ferrari colors and gets behind the wheel of one of its F1 cars will be the moment he has longed for throughout his career. It is also set to be a relatively low-key event.

The 39-year-old replaces Carlos Sainz at Ferrari, with Leclerc having been the de facto No 1 at the team over the last few years. And ahead of the 2025 season, many fans have wondered whether Hamilton will usurp Leclerc in that role, or whether the Monegasque will retain his spot.

After 12 seasons and six world titles, the Briton swapped Mercedes silver for Ferrari red on January 1 as he bids to win a record eighth world title.

Lewis Hamilton will become Ferrari's first full-time British F1 driver in over 30 years this season – here are the other Brits to race Maranello cars

Fred Vasseur has urged his Ferrari team to keep their feet on the ground despite the “excitement” of Lewis Hamilton officially joining the team. After 12 years with Mercedes, seven-time F1 world champion Hamilton officially joined the Scuderia on 1 January ahead of the 2025 season.

Lewis Hamilton has expressed his excitement ahead of his first season as a Ferrari driver in 2025 and will partner Charles Leclerc at the team.

Mercedes have announced an exciting new signing heading into the 2025 season. Whilst Lewis Hamilton's move to Ferrari in the new year has stolen most of the headlines, the end of 2024 also brought about the ending of another Mercedes partnership.