Fergal O'Brien hopes the step up in trip will suit That'll Do Moss in the Grade 2 Virgin Bet A Good Bet Yorkshire Rose Mares' Hurdle at Doncaster on Saturday.
The seven-year-old has improved since stepping up to intermediate trips, finishing a short head second in a Sandown Grade 2 to Hollywood Cha Cha last season before she lost at odds of 1/10 at Ayr.
She bounced back when second to Aurora Vega at 50/1 in a Fairyhouse Grade 1 after that and this season she ran well in third behind Nurse Susan in the Listed Unibet Mares' Hurdle at Sandown last time.
A point-to-point winner over three miles, she could improve again on her first go under Rules at that distance this weekend.
O'Brien said on Racing TV at Catterick: "This is her first time over three miles. She got done for a little bit of toe the last day but she ran very well at Sandown.
"Hopefully she runs well this weekend.
"She was second in a Jane Seymour, went to Ireland and was second to one of Willie's in a Grade 1.
"She came from the point-to-pointing up here (in the north) and we're looking forward to her running."
That'll Do Moss is a 7/1 chance with Sky Bet and Paddy Power ahead of Saturday's Doncaster contest.
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