The horse returned at odds of 5 to 1
Marine Nationale has won the Queen Mother Champion Chase, the feature on Day 2 of the Cheltenham Festival at odds of 5 to 1.
The win sparked emotional scenes as the late Michael O'Sullivan rode the horse to victory at the Festival two years ago.
This year, Sean Flanagan was on board for trainer Barry Connell.
Gavin Cromwell has his first win of this year's Cheltenham Festival.
His very impressive Stumptown has won the Cross Country Chase after going off the 5-to-2 favourite.
Keith Donoghue guided him home to mark his fifth success in this race.
Earlier on Willie Mullins registered back-to-back winners.
His nephew Danny rode Jimmy Du Seuil to victory in the Coral Cup, to mark his first win of the week.
While there was a big surprise in the Brown Advisory Novices' Chase with outsider Lecky Watson winning with Sean O'Keefe on board after going off at a starting price of 20-to-1.
Odds on favourite Ballyburn didn't deliver on his very short price.

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