Hollywood star to run marathon

Hollywood film actress Carey Mulligan is just one of the celebrities running in today's Run to the Beat music half marathon.

Carey Mulligan to run Greenwich Park half marathon

Carey Mulligan shines at a film premiere
Carey Mulligan shines at a film premiere Credit: TRACEY NEARMY/AAP/Press Association Images

Hollywood actress Carey Mulligan and Olympian and British sprinter Adam Gemili are taking part in the Run to the Beat half marathon.

The race powered by Nike+ is London's biggest half marathon, with 19,000 runners set to make their way around the 13.1 mile course.

It starts and finishes in Greenwich Park.