File photo: a GT3 grid racing wheel-to-wheel. Ollie Millroy's Shanghai crash involved a Ferrari 296 GT3 competing in the China GT Championship.
Nobody moves an entire race weekend eighteen hours earlier for the fans. When GT World Challenge Europe announced in July that its Portimão season finale would shift from a Sunday afternoon slot to a Saturday evening one, the real reason was logistics, not entertainment: the FIA World Endurance Championship had just rearranged a round onto Circuit de Barcelona-Catalunya for the same weekend, and SRO Motorsports Group needed to give a handful of shared drivers a real shot at doing both races.
That scheduling squeeze lands hardest on one team: Mercedes-AMG Team Verstappen Racing, the GT3 outfit Max Verstappen co-founded and runs under his own brand alongside Red Bull. Its number 3 Mercedes-AMG GT3 EVO finished third at the Nürburgring round in late August with Daniel Juncadella, Chris Lulham and Jules Gounon sharing the car, a strong run that came after Mercedes-AMG’s Team Mann-Filter had already locked up the Endurance Cup teams’ title elsewhere in the same race. That championship fight is settled. What isn’t settled is who actually gets in the car for the last round of the year.
Here’s the math nobody is spelling out plainly. Juncadella’s other job this season is the number 19 Genesis Magma Racing entry in WEC Hypercar, and Gounon’s is the number 36 Alpine Elf Endurance Team car in the same class. Both are expected in Barcelona on Sunday the 18th for the WEC round, the same weekend GT World Challenge now runs its Portimão finale, compressed into Friday qualifying and a Saturday evening race specifically so drivers juggling both programmes could make the trip. The schedule swap solves the travel problem. It does not solve the headcount problem: Endurance Cup cars run three drivers across a three-hour stint, and SRO’s usual Platinum-Gold-Silver-Bronze categorization rules limit who can partner whom. If Juncadella and Gounon are both needed in Spain, Verstappen Racing is down to Chris Lulham as its only certain starter.
That is exactly where Max himself stops sounding like a publicity idea and starts sounding like a practical one. This would not be a Formula 1 champion parachuting into GT3 for a photo opportunity. Verstappen already has real mileage in the category this year: a GT3 debut in a Ferrari 296 in the spring, a Super GT outing at Fuji, and a first 24 Hours of Nürburgring in a Mercedes-AMG GT3 in May, where he ran competitively before mechanical trouble ended his shot at the overall win. Racing outside Formula 1 has quietly become a real program for him, not a side hobby. The timing lines up too: his day job has nothing scheduled between the Singapore Grand Prix on 11 October and the United States Grand Prix starting on the 23rd, leaving the Portimão weekend sitting in the only gap on his 2026 F1 calendar wide enough for a three-hour GT3 race and the travel around it.
None of this is confirmed. Mercedes-AMG has not published a Portimão entry list, and neither the factory squad nor Verstappen Racing has named a lineup for round ten. What is verifiable is the situation that makes the speculation plausible in the first place: a genuine scheduling collision between two of sports car racing’s biggest championships, a team run by the sport’s biggest name that is suddenly short on regular drivers, and an owner with both the free weekend and the recent seat time to solve his own problem.
Whether Verstappen takes the seat himself or Mercedes-AMG loans in a factory reserve, the bigger story is how ordinary this kind of overlap has become. GT3 factory drivers are increasingly also WEC Hypercar drivers, and this year’s SRO and ACO calendar tweaks have been built around managing that overlap rather than pretending it does not exist. It is the same pressure reshaping pro-am rosters across endurance racing generally, just with a more famous name attached this time. Expect an actual entry list once GT World Challenge Europe works through its Zandvoort and Barcelona Sprint Cup rounds later this month. Until then, treat every version of “Verstappen confirmed for Portimão” as exactly what it is: an educated guess dressed up as news.
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