Nicky Hendersn

CHELTENHAM, UK—The green and gold hooped colours of JP McManus have become over the last three decades the silks most readily associated with the Cheltenham Festival and, on top of a ninth Champion Hurdle victory on Tuesday, the owner enjoyed another four wins to cap a memorable birthday week. With 64 Festival victories, McManus has accrued more than double the number of Michael O'Leary's Gigginstown House Stud, his nearest rival on the owners' roll of honour. Involved with him in his first two winners of the day—Champ (Ire) (King's Theatre...