Prix de l’Arc de Triomphe 2025: horse racing – live

<p> Action at Longchamp and the big race (3.05pm BST)<br> <a href="https://www.theguardian.com/sport/2017/may/15/the-recap-sign-up-for-the-best-of-the-guardians-sport-coverage">Sign up for The Recap</a> | <a href="mailto:tony.paley@theguardian.com">Email Tony</a></p><p><strong>Prix Marcel Boussac (12.40pm) preview</strong></p><p>After a four-year run from 2018 when the Boussac winner failed to register a subsequent win of any kind, France’s most prestigious event for juvenile fillies has picked up a little recently Blue Rose Cen (2022) and Opera Singer (2023) both recording Group One wins at three and Zarigana, who was edged out by a 100-1 stable companion 12 months after trading at 1-100 in running, took the French 1,000 Guineas in May. <strong>Green Spirit, </strong>unbeaten in four starts <a href="https://youtu.be/y_aqkQuEnBk?si=rBsl3XjPo-1S9T2H">including the Prix D’Aumale at this track last time out</a>, leads the home challenge today and also tops the <em>Timeform </em>ratings, but Aidan O’Brien’s <strong>Diamond Necklace </strong>is also unbeaten – after two starts – and should give her plenty to think about. She <a href="https://youtu.be/gnSD_81fCpM?si=Ue8q5uksMGsr6YlG">won a Listed race on Ireland’s Champions Weekend</a> in September and a victory for the daughter of St Mark’s Basilica would also be a big moment for her sire – a Group One winner from his first crop of juveniles. Between them, the top two in the betting take out around 70pc of the market, but there a few more runners that deserve some consideration. <strong>Ozone </strong>is also unbeaten in two, albeit at relatively minor tracks, most recently winning a Listed race at Lyon, while Karl Burke’s <strong>Aylin </strong>took the May Hill Stakes at Doncaster last time and her stable could hardly be in be