Day One updates, latest odds and tips as Kopek Des Bordes wins - Constitution Hill and Brighterdaysahead set for Champion Hurdle showdown on opening day of Festival

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Jango Baie produced an upset in the Arkle Novices’ Chase, upsetting favourite Majborough in a dramatic finish before Lossiemouth stormed to victory in the Mares’ Hurdle.

He's back. Constitution Hill makes his return to the Festival and is the standout contender for the Unibet Champion Hurdle (4.00), which is the feature race on day one of the Cheltenham Festival and a stellar cast of seven will do battle over 2m½f. Who will take home the Champion Hurdle? Read on for our runner-by-runner guide

The festival will culminate on Friday, with an expected crowd of 70,000 set to gather to watch the Gold Cup. Check it out: A Gold Cup mascot welcomed racegoers to the track as the day began. Winning smile: Trainer Jeremy Scott was delighted after Golden Ace won the Champion Hurdle on day one of the 2025 Cheltenham Festival.

After a dramatic, emotional opening day of the Cheltenham Festival, attention now turns to day two on which another Nicky Henderson star, Jonbon, will take centre stage in the Queen Mother Champions Chase.