File photo: a Ferrari 296 GT3 practicing at the 2023 Roar Before the Rolex 24 in Daytona. Photo by 350z33 via Wikimedia Commons, CC BY-SA 4.0.
Ferrari left Road Atlanta with a championship. It also left with the uncomfortable knowledge that the most dangerous thing on track for its best GTD team on Saturday was another Ferrari.
The Prancing Horse clinched the GTD manufacturer title in IMSA’s Michelin Endurance Cup at the 10-hour Motul Petit Le Mans on October 3, closing out the five-race endurance mini-series of Daytona, Sebring, Watkins Glen, Road America and Road Atlanta. But the No. 21 AF Corse USA Ferrari 296 GT3 Evo, which arrived leading the Endurance Cup team standings, missed that title by a single point. The car that made the difference was the No. 34 Conquest Racing Ferrari, which ended the night in the Turn 1 wall after contact with Antonio Fuoco.
That is the strange arithmetic of manufacturer racing: a brand can win the trophy while its customers take points off each other, because the maker only needs one of its cars near the front. Team titles are far less forgiving.
What was on the table
Ferrari did not arrive with much margin for error in either fight. IMSA’s pre-race standings had the No. 21 of Fuoco and Simon Mann one point ahead of the No. 27 Heart of Racing Aston Martin in the GTD Endurance Cup, with the Conquest Ferrari six points back. In the manufacturer table, Ferrari held a two-point lead, 40 to 38.
The No. 21 was also defending: with Mann, Alessandro Pier Guidi and Lilou Wadoux, it won GTD at Petit Le Mans in 2025, leading a Ferrari 1-2 ahead of Triarsi Competizione, and took the Endurance Cup in the process. A repeat would have extended Ferrari’s Road Atlanta GTD winning run to three straight years.
Why the eight-hour mark mattered
Endurance Cup races are not scored only at the flag. IMSA hands out points at three checkpoints at Petit Le Mans: hour four, hour eight and the finish. That turns a 10-hour race into three shorter races layered on top of each other, and it means a penalty’s timing can matter as much as its length.
The No. 21’s came at the worst possible moment. Fuoco had led the opening seven laps on a damp track before pitting for dry tires, and the trio of Fuoco, Mann and Wadoux would lead five times for 44 laps. Conquest’s Lorenzo Patrese, Albert Costa and Alec Udell were the class benchmark for long stretches, leading five times for 74 laps, with Costa setting the fastest GTD lap of the race.
Then the two Ferraris met. The contact, roughly two hours from the end, sent Patrese into the concrete at Turn 1 and finished Conquest’s race. Race control gave the No. 21 a stop-plus-60-second penalty that dropped the car to 10th in class. Ferrari’s own account is blunt about the cost: the penalty took away the lead and the bonus points at the eight-hour checkpoint.
A stop-plus-60 is a heavy sanction in a GT class, where a minute stationary in the pit box can be worth several positions, especially in a field compressed by caution periods. Wadoux clawed the car back into contention, made the final stop with 34 minutes left, and handed it to Fuoco in ninth. He got it up to sixth. In a points system with three scoring windows, the eight-hour drop alone could easily account for the single point AF Corse ended up short.
A race that kept hitting the reset button
Context matters for how wild this one was. Heavy rain fell before the start, the race ran under 16 cautions totaling nearly four hours, and a 27-minute red flag for lightning in the area interrupted things further. Nearly 40 percent of the race was neutralized, which rewarded teams that could keep resetting strategy around restarts and punished anyone who picked up a penalty they could not hide inside a yellow.
Ferrari cars led 160 GTD laps in total. The No. 023 Triarsi Competizione entry shared by Robert Meginnis and owner-driver Onofrio Triarsi led 42 of them before a penalty for contact while racing for fifth with an hour to go; Kenton Koch brought it home ninth. The No. 70 Inception Racing car of Frederik Schandorff, Brendan Iribe and Fran Rueda needed repairs after a late qualifying incident, climbed into podium contention, then had its own late incident and finished eighth.
Iribe also lost a separate fight. He led much of the finale in the race for the Bob Akin Award, IMSA’s prize for the top Bronze-rated GTD driver, but Orey Fidani and the No. 13 13 Autosport Corvette rallied past to take it, leaving Iribe second.
GTD Pro: fuel saving, then nothing
The Ferraris in GTD Pro had their own afternoon of what-ifs. Triarsi’s No. 033 296 GT3 Evo of James Calado, Miguel Molina and Riccardo Agostini used fuel strategy to climb from 14th on the grid into podium contention, only for Molina to lose power suddenly with two hours and 40 minutes left. He coasted to the pits, and the car never came back out.
Risi Competizione’s No. 62, with factory drivers Daniel Serra, Alessandro Pier Guidi and Davide Rigon, started seventh and spent the first stint in damage control. Serra was hit hard by an LMP2 car in the opening half-hour, and Pier Guidi later picked up a puncture. Serra rescued fifth by passing six cars in the final 90 minutes, a result that says more about the car’s race pace than the box score does.
For the record, GTD went to the No. 57 Winward Racing Mercedes-AMG, which also sealed Winward’s third straight GTD title and the GTD manufacturer championship for Mercedes-AMG. GTD Pro went to the No. 68 Car Blanche Aston Martin, the team’s first IMSA win, while Paul Miller Racing’s BMW took the full-season GTD Pro crown. That Aston Martin breakthrough came a week after Heart of Racing kept its WEC LMGT3 title hopes alive at Fuji, a reminder that the Vantage remains a threat on both sides of the Atlantic.
The Ferrari problem nobody at Maranello wants to manage
Here is the underlying tension. Ferrari’s GT3 effort in North America runs through several independent teams: AF Corse USA, Conquest, Triarsi, Inception and Risi. That spread is exactly why Ferrari can win a manufacturer title in a race where its lead team’s title bid collapses. The manufacturer table takes the best Ferrari result in each scoring window, so depth is insurance.
But depth also means there is no team order to fall back on. AF Corse and Conquest were racing for the same Endurance Cup that Ferrari wanted one of them to win, and both had legitimate shots at the race win. Neither had any reason to yield. When two customer teams collide while chasing the same trophy, the brand gets the points and the teams get the bill, in the standings and in the body shop.
Expect that to be a quiet talking point over the winter. Customer GT3 racing works because manufacturers sell cars to teams that race each other hard. Saturday showed the cost of that model as clearly as any season-ending result can.
What comes next
The 2027 IMSA season opens with the Rolex 24 At Daytona on January 30–31, preceded by the Roar Before the 24 on January 22–24. Ferrari heads into the winter’s lineup and customer-program decisions with an Endurance Cup manufacturer title in hand. AF Corse’s one-point miss is the kind of loss that tends to sharpen a team over an offseason. For a wider look at how the weekend’s other headline act went, see our preview of Acura’s final GTP race with the ARX-06, and check the Backfire Racing schedule hub for what is still running before the season wraps.
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