Security's been beefed up at the New York marathon - which goes ahead later just days after a terrorist attack in the city.
Eight people died when a pick-up truck was driven at pedestrians and cyclists in Manhattan on Tuesday.
It will move you
Race day is officially here! Who's excited for the biggest 26.2-mile block party?! #TCSNYCMarathon #movedme pic.twitter.com/7sHWBECBBy— TCS NYC Marathon (@nycmarathon) November 5, 2017
50,000 runners will take part - and governor Andrew Cuomo's paid tribute to police who'll be keeping them safe.
Marathoners, your finish line awaits! We can’t wait to see you all #movedme #TCSNYCMarathon pic.twitter.com/nBUV8SXASm
— TCS NYC Marathon (@nycmarathon) November 5, 2017