The 2023 Group 1 race calendar and results for the UK and Ireland Flat seasons

The 2023 UK and Ireland Flat seasons were jam-packed with high quality Group 1 racing.

Here's Planet Sport's guide to all the Group 1 race results from the 2023 season.

Remember you can follow all the live horse racing action from across the globe by using Planet Sport's race centres and you can also have a punt with Planet Sport Bet.

 

Group 1 winners in the 2023 Flat season

September

Irish Champions Weekend

Eldar Eldarov lived up to his potential with a powerful run to win Irish St Leger at the Curragh. Full report

Fallen Angel stayed on strongly to land the Moyglare Stud Stakes in impressive fashion at the Curragh. Full report

Ken Condon’s unheralded five-year-old Moss Tucker scooped the €236,000 first prize in the Flying Five Stakes. Full report

Henry Longfellow brushed aside his rivals to give trainer Aidan O’Brien his 4,000th career winner with an imperious display in the Goffs Vincent O’Brien National Stakes at the Curragh.

Tahiyra stamped her class on the Coolmore America “Justify” Matron Stakes at Leopardstown with a fourth Group One victory for Dermot Weld and Chris Hayes. Full report

Auguste Rodin rose from the canvass once again to hold off Luxembourg and Nashwa and win the Royal Bahrain Irish Champion Stakes at Leopardstown. Full report

Sprint Cup Day

Regional provided trainer Ed Bethell and jockey Callum Rodriguez with the first Group One success of their careers in the Betfair Sprint Cup at Haydock, in which hot favourite Shaquille finished last. Full report

 

August

Ebor Festival

Epsom trainer Adam West enjoyed a breakthrough big-race victory as Live In The Dream blazed his way to a shock Coolmore Wootton Bassett Nunthorpe Stakes success. Full report

Frankie Dettori was denied a Group One Knavesmire double by the narrowest of margins, as Free Wind just failed to reel in Warm Heart in the Pertemps Network Yorkshire Oaks. Full report

Frankie Dettori produced a brilliant front-running ride aboard Mostahdaf as he lowered the colours of Paddington in a thrilling edition of the Juddmonte International Stakes at York. Full report

August Summer Series

Bucanero Fuerte provided trainer Adrian Murray and owners Amo Racing with a first taste of Group One success with an impressive display in the Keeneland Phoenix Stakes at the Curragh.

Goodwood Festival

Al Husn upset Blue Rose Cen and Nashwa to lift the Qatar Nassau Stakes at Goodwood. Full report

Paddington made it a brilliant six from six for the season with a dominant front-running victory in the Qatar Sussex Stakes at Goodwood. Full report

Tom Marquand executed a perfect front-running ride aboard Quickthorn to win the Al Shaqab Goodwood Cup. Full report

July

King George Day

Hukum edged out Westover in a pulsating renewal of the King George VI And Queen Elizabeth Qipco Stakes. Full report

Irish Oaks Weekend

Savethelastdance claimed victory from the jaws of defeat in the Juddmonte Irish Oaks at the Curragh.

The July Festival

Shaquille shot to the sprinting summit at Newmarket as Julie Camacho's speedster doubled his big-race tally in the Pertemps Network July Cup Stakes. Full report

Nashwa excelled on her return to a mile under Hollie Doyle to absolutely bolt up in the Tattersalls Falmouth Stakes at Newmarket. Full report

The Coral Summer Festival

Paddington saw off the tenacious challenge of Emily Upjohn in a thrilling renewal of the Coral-Eclipse at Sandown. Full report

Irish Derby Festival

Via Sistina led home a one-two for the British raiders when storming to a Group One triumph in the Yulong Pretty Polly Stakes at the Curragh. Full report

Auguste Rodin gave Aidan O'Brien his 100th European Classic win as he fended off stablemate Adelaide River in the Dubai Duty Free Irish Derby at the Curragh. Full report

June

Royal Ascot

Khaadem caused an 80/1 upset in the Queen Elizabeth II Jubilee Stakes at Royal Ascot. Full report

Chris Hayes celebrated his first Royal Ascot winner as Tahiyra landed the odds in the Coronation Stakes. Full report

Shaquille produced a remarkable performance to provide Julie Camacho with her first winner at Royal Ascot in the Commonwealth Cup. Full report

Frankie Dettori recorded a fairytale victory on his final Gold Cup ride, with the aptly-named Courage Mon Ami showing plenty of grit to down Coltrane in a titanic battle through the final furlong of the Royal Ascot showpiece. Full report

Mostahdaf produced a career-best to land a red-hot renewal of the Prince of Wales's Stakes at Royal Ascot. Full report

Aidan O'Brien became the most successful trainer in Royal Ascot history after Paddington ran out a brilliant winner of the St James's Palace Stakes. Full report

Hollie Doyle gave Bradsell a brilliant ride to land a dramatic running of the King's Stand Stakes, as the Archie Watson-trained colt earned a second Royal Ascot win in as many years. Full report

Triple Time narrowly denied Frankie Dettori a dream start to his final appearance at Royal Ascot in the curtain-raising Queen Anne Stakes. Full report

Epsom Derby Festival

Auguste Rodin swooped to grab Betfred Derby glory for Aidan O'Brien and Ryan Moore. Full report

Frankie Dettori's last ever ride in the Oaks was a winning one as Soul Sister soared to victory at Epsom. Full report

Emily Upjohn cruised to victory under Frankie Dettori in the Dahlbury Coronation Cup. Full report

May

Irish Guineas Festival

Tahiyra claimed Group 1 glory and boosts her claims for the Coronation Stakes at Royal Ascot after landing the Irish 1,000 Guineas. Full report

Luxembourg held off Bay Bridge to make every yard in the Tattersalls Gold Cup at the Curragh for Aidan O'Brien and Ryan Moore. Full report

Paddington made a seamless switch to Classic company as he gave trainer Aidan O'Brien another victory in the Tattersalls Irish 2,000 Guineas at the Curragh. Full report

Lockinge Day

Modern Games was simply too strong for the rest of the field as he powered to Lockinge Stakes glory. Full report

Guineas Festival

Saeed bin Suroor and Oisin Murphy claimed the Qipco 1000 Guineas at Newmarket with Mawj. Full report

Frankie Dettori won the Qipco 2000 Guineas at Newmarket on Chaldean on what was his final ride in the Classic. Full report