The lightly-raced Know It All, a winner and Group-placed at two years, notched her first Group win in the Derrinstown Stud Fillies Stakes (Group 3) for three-year-olds at Leopardstown, Ireland, on Wednesday evening.
Owned and bred by Qatar Racing Limited, the bay filly came into the race off a courageous second place at the beginning of June in the Leopardstown Fillies’ Trial Stakes (Group 3), her seasonal bow.
This was her first attempt at the distance of a mile, having only ever run over seven furlongs previously in her career. 
Know It All was settled in mid-division by up and coming apprentice jockey Ben Coen and once in the straight, the race opened up perfectly for the pair. She powered through a gap to pass the leaders in a matter of strides.
Never in doubt, she put any stamina worries behind her running through the line to score a convincing victory by two lengths and a quarter.
Celestial Object, owned by Newtown Anner Stud Farm Ltd and trained by Mrs John Harrington, finished second under Shane Foley.
The Aga Khan-owned Ridenza, trained by M Halford, was a further length and a quarter behind in third under Ronan Whelan.
Winning trainer Johnny Murtagh said after the race, “It’s a great win. She’s really a nice filly and she ran really well last time out, but was a bit unlucky and got shuffled back. She had a tough draw today, but Ben gave her a lovely ride. She showed us all the signs at home that she’d come on from her first run. Seven furlongs or a mile, it makes no difference to her. She’s a big powerful filly who travels well and there’s more to come from her.”
Know It All is by the Japanese sire Lord Kanaloa. She is out of Common Knowledge, by the excellent broodmare sire Rainbow Quest, the dam of Group winners Astrophysical Jet and Coral Wave.
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