Marine Nationale wins the Champion Chase.

Cheltenham Festival: Marine Nationale claims emotional Champion Chase win after Jonbon stumble

Sean Flanagan rode Marine Nationale to an emotional victory in the Queen Mother Champion Chase at the Cheltenham Festival as favourite Jonbon came up short. Jonbon (4-1) was widely expected to deliver victory for trainer JP McManus, but he was struggling immediately after a very messy  start and, when he clattered the fifth-last fence, his…