Joan Of Arc gives Aidan O'Brien third French Classic of season

Aidan O'Brien claimed his third French Classic victory of the season after Joan Of Arc hung on for a brave three-quarters of a length triumph in the Prix de Diane at Chantilly.

It was O'Brien's first ever win in the Prix de Diane, the so-called French Oaks, and came on the back of stablemate St Mark's Basilica winning both the French 2000 Guineas and Derby.

Ioritz Mendizabal was aboard St Mark's Basilica for those triumphs, and he teamed up to great effect with Joan Of Arc again.

Last seen when beaten a short head in the Irish 1,000 Guineas, Joan Of Arc was prominent throughout in the 10-furlong heat as Rumi and Sibila Spain vied for the early lead.

The latter was in front turning for home, and it briefly looked as though Joan Of Arc might get run out of it, but when she hit top gear she grabbed the lead and set sail for home.

Philomene made late ground from the back of the field, but Joan Of Arc had flown and she claimed the three-quarters of a length at the line.

Burgarita was another to make late gains to grab third from Sibila Spain, meaning Andre Fabre saddled the two placed runners.

O'Brien said: "I'm absolutely delighted. I'm so delighted for everyone. Ioritz gave her a great ride. She's a homebred filly, so it's incredible really.

"Obviously we've tried to win the race lots of times - but it's a very difficult race to win, very competitive. I'm absolutely over the moon.

"We thought she was very good from her first run in Ireland when she got beat by a very good filly of (son) Donnacha's - then she won her maiden very easily and she went to a Guineas trial next time, and all the leaders went a little bit too fast, and it didn't really suit her.

"Her next run after that she won a Group Three at Leopardstown and was then just beaten in the Guineas.

"That's why Sue (Magnier, part-owner) named her Joan Of Arc, (because) she was obviously always very special.

"She has progressed with every run - (and) she's a lovely mind, very well-balanced and a big, long stride.

"She looks very exciting. What was very exciting about her today, I think she won a length, so she went to the line very strong.

"When you can ride them that handy and find that much for pressure - as the distance was going on, she was really opening up - she's really exciting."

Ladbrokes offer 20/1 about Joan Of Arc for the Prix de l'Arc de Triomphe at ParisLongchamp in the autumn, and O'Brien thinks switching up in distance to 12 furlongs would not be an issue - although he has an embarrassment of riches, with the likes of multiple Group One winner Love and Oaks winner Snowfall among others in the middle-distance division.

He added: "Speaking to Ioritz, he was really impressed with her and thought a mile and a half would be no problem. He said she really only got going a furlong out - he was saying she would love stepping up, so I think it (Arc) has to be a big possibility.

"It's an amazing race, and we're just very lucky to have some very good three-year-olds at the moment - and Love as well.

"I suppose it's a good position to be in. We'll try to space out their races and give them a little rest in between and head that way then for the autumn."

Asked to compare his English and French Oaks winners, O'Brien said: "I suppose they've come from different routes really.

"We thought both were very high-class two-year-olds.

"Obviously this filly came from the Guineas route - whereas we started Snowfall at a mile and a quarter and then went up to a mile and a half.

"We know Snowfall gets a mile and a half very well, and obviously this filly hasn't run over it yet - but she has progressed with every run.

"They're very exciting fillies."

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