Staged at The Curragh racecourse the Irish 1,000 Guineas is a Group One class race for 3 year-olds fillies. Run over 1m the contest normally takes place each year in May and was first run in 1921.
Horses that contested the English 1,000 Guineas often go onto run in this race, while winners of the Irish 1,000 Guineas tend head to Royal Ascot for the Coronation Stakes.
Trainer Aidan O’Brien has won four of the last 8 runnings, while in total, O’Brien has won the race a staggering 10 times. Veteran handler Dermot Weld has also won the race 6 times in total and in two of the last four - both times with jockey Chris Hayes riding.
But Aidan O'Brien landed the last running in 2025 with Lake Victoria - giving him an eleventh success in the race.
We take a look back at past winners, plus have all the key trends ahead of the 2026 Irish 1,000 Guineas – run on Sunday 24th May 2026.
Recent Irish 1,000 Guineas Winners
2025 - LAKE VICTORIA (10/11 fav)
2024 - FALLEN ANGEL (11/4 fav)
2023 - TAHIYRA (2/5 fav)
2022 - HOMELESS SONGS (11/2)
2021 - EMPRESS JOSEPHINE (14/1)
2020 – PEACEFUL (3/1)
2019 – HERMOSA (5/2 fav)
2018 – ALPHA CENTAURI (12/1)
2017 – WINTER (9/1)
2016 – JET SETTING (9/1)
2015 – PLEASCACH (11/2)
2014 – MARVELLOUS (10/1)
2013 – JUST THE JUDGE (2/1 fav)
2012 – SAMITAR (12/1)
Irish 1,000 Guineas Betting Trends and Stats
13/14 - Irish bred horses
13/14 - Had at least 3 previous runs
13/14 - Had won over at least 7f before
11/14 - Ran in the last 6 weeks
11/14 - Favourites placed in the top 3
10/14 - Had won between 1-2 times
10/14 - Ran between 4-8 times before
9/14 - Drawn between stalls 6-11 (inc)
8/14 - Hadn’t run at the Curragh before
8/14 - Ran at Newmarket last time out
7/14 - Ran in the English 1000 Guineas last time (2 winners: Winter (2017) and Hermosa (2019))
6/14 - Trained by Aidan O’Brien (11 wins in total)
6/14 - Winning favourites
4/14 - Ridden by Ryan Moore
2/14 - Ridden by Chris Hayes (2 of last 4)
2/14 - Trained by Dermot Weld (2 of last 4 and 6 wins in total)
8 of the last 13 winners were placed 1st or 2nd last time out (4 won)
The average winning SP in the last 14 runnings is 6/1
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