Regulations · 3 min read · 499 words
What is the WEC Prologue?
The Prologue is the FIA WEC's official pre-season test: two days in which every full-season entry runs on the same track, usually the venue of the opening round, in the week before the season starts. It is mandatory for the field, open to spectators at most editions, and it is the first time each year that new cars, new liveries and new driver line-ups run in public with the timing screens on.
What actually happens across the two days
The format is simple: four sessions across two days, all classes on track together, no points and no official results beyond session times. Teams treat the mileage as the last block of systems checking before the cars enter parc-ferme conditions of a race weekend: pit-stop practice, tyre evaluation across compounds, brake and cooling checks, and full-crew driver rotation so every bronze and silver driver gets current-car laps.
Because the Prologue usually shares a venue with round one, the data carries straight over. For the 2026 season the Prologue ran at Imola in mid-April, days before the season opener at the same circuit; the 2025 edition ran in Qatar ahead of the Losail round for the same reason.
Why the times mean little and the laps mean a lot
Prologue timesheets are famous for misleading. Teams run different fuel loads, different tyre ages and different programmes, and nobody is obliged to chase a headline lap. A manufacturer sandbagging three seconds in hand at the Prologue is a WEC tradition as old as the event, not least because Balance of Performance tables are adjusted during the season and no factory wants to advertise its true ceiling in week zero.
What the event does reveal is reliability and readiness. A car that stops on track at the Prologue loses irreplaceable systems mileage; a rookie crew that completes 400 clean laps arrives at round one with their procedures rehearsed. Engineers read the long-run averages and the pit-lane body language, not the top of the timesheet.
Where the Prologue came from
Official group testing has existed in various forms across WEC history, and the branded Prologue settled into the calendar in the mid-2010s, moving venue with the season opener: Paul Ricard for the European openers of the early years, then Sebring, Losail and Imola as the calendar's first round moved. The event has occasionally doubled as a shakedown for rule changes, giving new classes like LMGT3 in 2024 their first full-field running before a points weekend.
Can fans attend?
Usually yes, and it is quietly one of the best-value tickets in the championship. Access is cheaper than a race weekend, the paddock is calmer, and every car in the new season's entry runs long stints for two days. For photographers and for fans who want to learn the sound of a new Hypercar before the commentators do, the Prologue is the WEC's soft opening, and the racing world mostly lets you have it to yourself.
Last updated · wec prologue · pre-season test · imola 2026 · testing · new season