Allan Sharrock is giving serious thought to backing up his in-form mare Gypsy Fair next Saturday.

The New Plymouth trainer said he rarely raced his horses three weeks in a row, but this daughter of Falkirk could be the exception of the rule.

"I haven't ruled it out the weight-for-age race at Wanganui and I'll nominate her and see how the field comes up," said Sharrock, referring to the Listed AG Challenge Stakes.

"I don't usually do that, but she's a tough mare."

Gypsy Fair produced a dominant front-running performance at Trentham on Saturday to win the IRT North Island Challenge Stakes off the back of a fourth placing in the Gr.3 Rotorua Stakes seven days previously.

She is nearing the end of her career and victory in last season's Gr.3 Merial Metric Mile at Awapuni boosted the value of Gypsy Fair.

She is out of the stakes-performed Zabeel mare Gypsy Moth, who is a daughter of the Gr.1 Queensland Oaks winner Round The World.

"She's a well-bred mare and she's likely to be sold as a broodmare at the end of the season," said Sharrock, who shares in the ownership of Gypsy Fair.

"I've already got I Do, Madonna Mia and Twoznotenough and they are also all stakes winners."

Gypsy Fair travelled comfortably in front at Trentham under stable apprentice Alfred Chan and the mare held a strong gallop to down Heni and last year's winner Duffers Creek.

"Allan told me there