Acosta is still going well in third on that soft rear.
The pace isn't hot here, but I suspect Alex Marquez wanted to get out of Marc's slipstream to cool his front tyre and set the pace to his liking.
Alex Marquez defends the lead into Turn 1 from Marc Marquez.
Morbidelli serves his long lap.
Bagnaia is now ninth. This is a great recovery so far.
Marc Marquez tried to hold that on the outside of Turn 2 but Alex shut the door. Good move, that.
Onto lap four. Marc Marquez is coming under theat from Alex Marquez and the lead swaps at Turn 1!
Bastianini up to fourth on Quartararo at Turn 5. He is the danger man right now.
Marc Marquez leads Alex Marquez by a few tenths. Bastianini fastest rider on track.
Aldeguer serves long lap.
Incident under investigation.
Marco Bezzecchi has crashed at Turn 1 trying to pass Morbidelli and Di Giannantonio fell trying to avoid that.
Marc Marquez leads Alex Marquez across the line to start lap two.
Bastianini up to fifth ahead of Marini at Turn 10. Watch for him in this race!
Luca Marini is up to fifth ahead of Zarco. Morbidelli has dropped back to ninth.
Bagnaia up to 12th.
The 2025 Catalan Grand Prix is GO!
Marc Marquez leads into Turn 1 from Alex Marquez and Pedro Acosta.
The warm-up lap is go.
Michelin has confirmed all on medium/medium, apart from Acosta on medium/soft.
The grid is beginning to clear now and the tension is increasing.
Timing screen still showing no changes to the tyres other than Acosta's soft. Looks like he is the only one taking the gamble.
Just 10 minutes till lights out.
Pecco Bagnaia will come from 21st on the grid. He was a bit quicker in warm-up this morning.
But he was a second per lap on average slower than his team-mate Marc Marquez in the sprint. So, he needs a huge step in order to fight for anything big today
Fabio Quartararo managed to hang onto the leaders yesterday and get a second in the sprint.
Typically, the Yamaha has struggled to fire up its tyres early on but the fact this will be a race of management may actually benefit him today.
Pedro Acosta's crew chief has confirmed he will race with the soft rear today.
This is very much set to be a race of tyre management. That could bring someone like Enea Bastianini into play today.
He goes from ninth and was fifth in the sprint after a tight battle with Pedro Acosta and Brad Binder.
MotoGP has confirmed this to be the best-attended Catalan Grand Prix since 2008, with a total of 187,086 fans showing up across the weekend.
Big day potentially in the destiny of this 2025 world title.
If Marc Marquez doesn't lose more than two points to Alex Marquez, he can go to Misano with his first shot at winning the title.
Alex Marquez crashed while leading the sprint yesterday, giving victory to his brother.
But Alex Marquez has been the fastest all weekend in terms of race pace.