The series launched in 2011 under the Blancpain Endurance Series name, aiming to revive and modernise several elements of the former FIA GT Championship. Its founding ethos positioned three-hour endurance races on prestigious European circuits — Monza and Silverstone among them — alongside the historic Spa 24 Hours as its prestige centrepiece. The combination of professional and gentleman-driver categories gave the series broad appeal across the spectrum of GT3 competitors, and by 2013 grids had grown to 60 cars for regular rounds.
Races are structured around five classes derived from the FIA's GT3, GT4, and Supersport regulations. Within the GT3 category, cars are divided by driver composition: GT3 Pro is reserved for all-professional line-ups; GT3 Pro-Am accommodates mixed teams of professionals and amateurs; and GT3 Am is open to gentleman drivers using cars at least one year old. The FIA's driver-rating system determines which class each entry is eligible for. The GT4 category runs as its own separate class.
For the 2012 season, the GT4 and Supersport categories were dropped from the grid, and the GT3 Citation class was reclassified as the Gentlemen class. The series employs extensive performance balancing and handicap weights to equalise performance among the different GT3 manufacturers represented on the grid.
The Blancpain Endurance Series operated under three distinct identities across its history, each tied to the sponsorship arrangements of its era:
Blancpain Endurance Series (2011–2015): The founding name, reflecting the primary sponsorship of Swiss watchmaker Blancpain. During this period the series established its presence as a major European endurance GT championship.
Blancpain GT Series Endurance Cup (2016–2019): In 2016, SRO restructured its GT portfolio and brought the endurance and sprint events under the unified Blancpain GT Series umbrella. The endurance component became the Blancpain GT Series Endurance Cup, while a companion Blancpain GT Series Sprint Cup ran alongside it.
GT World Challenge Europe Endurance Cup (2020–present): In 2019, SRO announced the end of its sponsorship agreement with Blancpain. The series was rebranded the GT World Challenge Europe Endurance Cup for the 2020 season, aligning it with the wider GT World Challenge global platform that SRO had established across Europe, Asia, and America.
As the endurance arm of what became the GT World Challenge Europe, the Blancpain-era series played a central role in establishing GT3 endurance racing as a credible and commercially viable European championship. The annual 24 Hours of Spa, the longest and most prestigious event in the calendar, attracted manufacturer-backed factory programmes and large fields of GT3 machinery. The series' structure — balancing professional competition with gentleman-driver participation — became a template for how SRO subsequently organised its international GT World Challenge championships.
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