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Filipe Albuquerque, Joao Barbosa and Christian Fittipaldi led Action Express' #5 Mustang Sampling Racing entry to victory in the Rolex 24 at Daytona on Sunday night as Formula 1 star Fernando Alonso endured a tough sports car racing debut.

Action Express Racing survived brief scares on both its Cadillac DPi cars at the front of the pack to hold a comfortable lead with four hours remaining in the Rolex 24 at Daytona, with the #5 Mustang Sampling Racing sitting three laps clear of the field.

Action Express Racing sits in control of the Rolex 24 at Daytona entering the final third of the race after seeing the rival Acura-Penske cars drop out of contention for victory following reliability issues through the night.

Cadillac and Acura look poised to duel for overall victory in the Rolex 24 at Daytona as just four cars find themselves still on the lead lap with half of the race completed as Fernando Alonso's hopes of a podium were dashed following a brake issue through the night.

Mike Conway leads the Rolex 24 at Daytona after six hours of racing for Whelen Engineering Racing after perfect his tyre changes through a rain shower to overturn a 20-second deficit and move to the head of the field.

Filipe Albuquerque moved into the lead of the Rolex 24 at Daytona through the opening hour after getting the jump on Renger van der Zande through the opening round of pit stops for the Prototype runners.

Lance Stroll is relishing the prospect of being able to fight for victory in this weekend's Rolex 24 at Daytona sports car race, having spent the last year racing in Formula 1 where the odds of winning are far slimmer.

Mike Conway closed out practice for the Rolex 24 at Daytona with the fastest time in the #31 Whelen Engineering Racing Cadillac DPi to edge out Lance Stroll, as Fernando Alonso ended the session 16th overall for United Autosports.

Fernando Alonso is refusing to dwell on "the least important qualifying of my life" after only finishing 13th in Thursday's session to set the start order for the Rolex 24 at Daytona.

Renger van der Zande led Wayne Taylor Racing to pole position for the 2018 Rolex 24 at Daytona after edging out Helio Castroneves in the dying stages of a hard-fought qualifying session on Thursday afternoon, as Fernando Alonso secured 13th place for the start on Saturday.

Rene Rast topped a closely-fought first practice session on race week for the Rolex 24 at Daytona, setting the pace for Mazda Team Joest as Fernando Alonso's co-driver suffered a crash.

Lance Stroll is confident the Jackie Chan DCR Jota team has one of the strongest packages in the Rolex 24 field ahead of his second attempt at winning the Daytona endurance classic this weekend.

Fernando Alonso is the star name for this year's Rolex 24 at Daytona, embarking on his endurance racing adventure.

Williams F1 driver Lance Stroll is back for a second crack at the Rolex 24.

Ferdinand Habsburg is a rising star in single-seaters - but can he impress on his Daytona debut?

Felix Rosenqvist is known for his ability to race anything and everything, leading to his Daytona debut this weekend.

More than a year since his last F1 race, Felipe Nasr is back in action this weekend at Daytona.

He may be an IndyCar legend, but Scott Dixon also has a pretty formidable record in the Rolex 24.

After back-to-back IMSA GTD titles, can Christina Nielsen finally break her Daytona hoodoo?

Scott Pruett will bring the curtain down on a 50-year racing career at Daytona on Saturday with 3GT Racing.

A final look at what to watch for in this weekend's Rolex 24 at Daytona as Fernando Alonso gears up for his race debut.

A look at the three classes that will be racing in the Rolex 24 at Daytona this weekend.

Part one of our beginner's guide to the Rolex 24 at Daytona looks at where the race sits in global motorsport and its steeped history.

Keen to watch Fernando Alonso in action at Daytona this weekend, but not sure where to start? Here is everything you need to know about the Rolex 24.