As the ultimate one-hour session obtained underway, circumstances have been significantly wetter than they have been at the beginning of each FP1 and FP2, the place the monitor was prepared for slicks after a couple of minutes. Additional rain fell on the midway level which meant the moist climate compounds have been used all through the FP3 working, apart from Lando Norris finishing a sole, untimed lap on softs within the remaining minutes.
George Russell led the pack out within the opening minutes, the place the 2 Haas vehicles have been the one ones to run the complete moist tyres, and, regardless of going off into the runoff on the Bus Cease chicane forward of beginning his first timed lap, the Williams driver duly set the primary place benchmark at 2m05.546s on the intermediates.
As extra vehicles headed out and the monitor started to dry in locations, the occasions steadily got here down, led by Nicholas Latifi posting a 2m04.802s and Charles Leclerc – working a brand new chassis after his FP2 crash – placing in a 2m02.361s.
Russell then returned to the highest spot with a 2m01.699s as he discovered time as his run continued, earlier than Pierre Gasly moved forward because the opening 10 minutes closed out with a 2m01.385s.
Aston Martin’s Sebastian Vettel then beat that with a 2m00.170s, earlier than the monitor dried sufficient to deliver the quickest lap benchmark beneath the 2 minute bracket.
Hamilton was the primary driver to take action, having briefly gone off at Les Combes on his first timed lap earlier within the session, a second he repeated in the course of the late working on a wetter monitor, with the world champion posting a 1m57.996s.
Lewis Hamilton, Mercedes
Photograph by: Steve Etherington / Motorsport Images
That stood as the very best time for practically 10 minutes earlier than Verstappen discovered an enormous achieve as his opening intermediates run went on and he set a 1m56.924s simply earlier than 20 minutes had handed.
Perez slotted in behind his team-mate a couple of minutes, zero.924s slower, earlier than the rain started to fall once more and occasions slowed because the dry line started to vanish.
This improvement, plus the necessity for the groups to save lots of the intermediates ought to they be wanted in qualifying, meant most drivers returned to their garages forward of the midway level and the on-track motion was sporadic thereafter.
One driver that did run significantly as soon as the rain had returned was Esteban Ocon, who had adopted Russell out of the pits proper at the beginning of FP3, however then spent the subsequent 30 minutes after finishing his set up lap ready for Alpine to repair a to this point unexplained downside.
However the Hungarian GP winner was capable of rejoin and slot into fifth – behind Hamilton and Lando Norris, who had jumped as much as fourth simply earlier than the rain fell – 1.989s slower than Verstappen’s finest.
McLaren gave Norris the choice to attempt the slicks in a late experiment with simply over two minutes remaining, however the Briton returned to his storage with out setting a time after touring slowly and punctiliously round on the red-walled softs.
Lance Stroll took sixth within the remaining standings forward of Gasly, who had a late spin between the 2 Stavelot proper handers, practically sliding into the limitations on the within at excessive velocity, Vettel and Russell, with Fernando Alonso rounding out the highest 10.
FP1 pacesetter, and Verstappen’s closest challenger in FP2, Valtteri Bottas, ended up down in 11th.
The Finn was one other driver to slip off into the runoff at Les Combes early and he completed with a finest time 2.884s slower than Verstappen.
Kimi Raikkonen introduced up the rear of the sector, 7.458s off the highest spot and with solely three laps accomplished, after he returned to the pits simply earlier than the 15-minute mark reporting that his brakes had failed.
Belgian GP – FP3 outcomes: