Zak O’Sullivan

Zak O’Sullivan extended his BRDC British Formula 3 championship lead with a commanding victory at Donington Park as late grid penalties notably changed the grid ahead of the start

Carlin’s Zak O’Sullivan took a double BRDC British Formula 3 pole position at Donington Park, utilising a tow on his fastest lap

Zak O’Sullivan took BRDC British F3 win after a dramatic lap one crash involving Ayrton Simmons and Bart Horsten in race two at Brands Hatch

Zak O’Sullivan set the pace again in the final pre-season BRDC British Formula 3 test at Brands Hatch Indy.

The BRDC British F3 season gets underway this weekend, with the biggest opening round grid since 2016 and a FIA F3 test on offer to the champion

BRDC British Formula 3 and British Formula 4 shared Brands Hatch’s Grand Prix layout on Thursday for a test day

Formula Scout previews the racing seasons ahead with 21 junior single-seater drivers that we think will be winning races through 2021

Kicking off our 10th annual countdown of the junior single-seater drivers whose performances have impressed our writers the most over the year

Carlin’s Zak O’Sullivan says he will approach his move up to BRDC British F3 in 2021 similarly to his maiden single-seater campaign in F4

British Formula 4 title runner-up Zak O’Sullivan will stick with Carlin as he makes the step up to BRDC British Formula 3 next year

In the days before the British F4 Media Day, Luke Browning was not expecting to be racing. But a late deal with Forec put him on the grid, and he won the title

The British F4 title decider could have run “a few laps” longer before being red flagged according to Zak O’Sullivan, who lost the title to the race’s stoppage

Luke Browning took the 2020 British Formula 4 title even as championship rival Zak O’Sullivan won a dramatic, shortened final race of the year

Zak O’Sullivan has been penalised for overtaking under yellow flags in race two of the British F4 finale, denting his chances of beating Luke Browning to the championship

Zak O’Sullivan will take the British Formula 4 championship lead on countback into the deciding round after taking his eighth win of the season at Snetterton

Zak O’Sullivan has had his Snetterton British Formula 4 race one win taken away and handed to rival Luke Browning, but responded with victory in race two

Zak O’Sullivan cut Luke Browning’s British Formula 4 lead to three points with victory in race one at Snetterton ahead of a charging James Hedley

British Formula 4 title rivals Luke Browning and Zak O’Sullivan split the pole positions in qualifying for the penultimate round at Snetterton

Carlin’s Zak O’Sullivan triumphed in the first British Formula 4 race of the weekend at Croft, holding off poleman Casper Stevenson

Zak O’Sullivan denied Luke Browning a fifth straight British Formula 4 victory as he won the reverse grid race at Knockhill