HEIDI'S FRONTIERE built on the promise of her reappearance run at the second attempt when third over 2m here 4 weeks ago, faring best of those held up. She leaves the impression there's a bigger effort in her locker, including at this longer trip, and she earns the vote to come out on top. Tingarran Express, Weather Alert, who shaped much better than the distance beaten suggests latest, and Robindevidastar head up the dangers.