Motorists are facing restrictions in central Dublin today due to the annual marathon.
The race starts on Nassau Street at 9am and finishes outside the National Gallery on Merrion Square.
There will be traffic restrictions in the Merrion Square, Nassau Street, and St Stephen's Green areas of the city, and anyone intending to cross the city is advised to use the M50 and West-Link or the East-Link toll bridges.
More than 10,000 runners are due to participate in the event, with seasoned athletes joined by people raising money for charities.
The prize money this year has increased to €106,400.
