Boy, do we have a bumper issue of Motorsport Monday for you to feast on this week… The FIA Formula 1 World Championship is back and an enthralling Australian Grand Prix weekend left an incredible impact. Graham Harris, Taylor Powling and Dan Lawrence report as Lando Norris rose above the weather and safety car chaos to emerge victorious Down Under. As ever, James Moy captured the action with stunning photography. Elsewhere, Mercedes’ Andrea Kimi Antonelli was the cream of the crop from F1’s five new rookies and Dan believes a star is born in this week’s Start Your Engines. In his latest Business of Speed Column, Vincenzo Landino dives into the growing popularity of the Australian GP as well as the measures being taken by Liberty Media in Las Vegas to ensure that the Nevada night race caters for everyone. Also in action Down Under was the season-opening races for the FIA Formula 2 and Formula 3 World Championships. Jack Oliver Smith, Harry Whitfield and Ryan Watson poured over the junior single-seater action. The single-seater content doesn’t stop there as Motorsport Monday welcomes a new guest writer. But who I hear you ask. Well, none other than Sauber’s F1 Academy star Emma Felbermayr, who puts pen to digital paper to tell us first-hand how her pre-season preparations have gone so far. On the other side of the globe from F1, the 2025 MotoGP season continued in Argentina, as did Marc Marquez’s dominance aboard the factory Ducati. Henry Cheal and Eden Hannigan have your reports. Meanwhile the IMSA WeatherTech SportsCar Championship held the second of its prestigious endurance rounds last weekend, the world-famous 12 Hours of Sebring and Nick Tandy, Felipe Nasr and Laurens Vanthoor took victory for Penske Porsche. Phil Oakley and Mo Rehman reported on the action. Mo also held an exclusive chat with the best and brightest behinds at Era Motorsport, finding out how much effort goes into running three consecutive endurance races. Looking ahead, David Ledbitter previews the next round of the FIA World Rally Championship, the incredible Safari Rally Kenya. Can Hyundai break Toyota’s African streak? And, as always, we have all the usual news, views and stories in this week's edition of the most widely read weekly motorsport magazine in the world!