OVER 3000 people are taking part in the River Rock half marathon in Belfast today.
Motorists have been advised to expect traffic disruption on the route.
Police said most roads will remain open throughout the event but some closures and diversions are in place in parts of the city centre and east Belfast.
The race began at 9 am Ormeau Park and is expected to finish at the same location at midday.
Ormeau Embankment will be closed to through traffic in both directions from 7 am to midday.
“Road users should plan for some disruption throughout the morning and early afternoon; although every attempt will be made to ensure that this is kept to a minimum,” a police statement said.
“Slight disruption can be expected along the Ravenhill Road until around 10:00.
“Disruption can also be expected along the Albertbridge Road, Newtownards Road, Dee Street and Sydenham Bypass until shortly after 10:15.
“Disruption can also be expected on Grosvenor Road, Great Victoria Street, and Bruce Street heading towards Dublin Road, Shaftesbury Square and Botanic Avenue from 0830 to 12:50.