Update 1.00pm: Gavin Sweeney was the half marathon winner of 2019. He stated that winning was a "bonus' and that achieving his personal best in relation to time was his goal from the start. The ladies half marathon winner was Fiona Santry.
Update 12.00am: Angela McCann makes it as the first female to cross the finish line.
Update 11.05am: Gary O'Hanlon has made it two wins on the trot as he won the Irish Examiner Cork City Marathon for the second year running.
Tim O'Donoghue was in second place whilst Sergiu Ciobanu took third place.
The Clonliffe Harriers AC man completed the race in a time of 2.21.43.
O'Hanlon led from early on and at mile 18, he broke clear of the rest of the pack.
Earlier: At mile 18, Tramore Road it is last year’s winner Gary O’Hanlon, Clonliffe Harriers AC, Dublin out in front and he is now clear of the rest of the pack.
The Irish Examiner Cork City Marathon is underway in what is to be the city's greenest ever 26-mile race.
The marathon is now in its 13th year and up to 8,000 individuals are expected out on the course.
The Full Marathon, Team Relay and Youth Challenge began on St Patrick’s St at 8.30am. The Half Marathon starts on Albert Rd at 10.15am.
The Cork City Marathon is widely recognised for its inclusivity with countless personal stories behind many of the runners.
The event is set to be the most environmentally friendly race to date - medals will not be individually wrapped in plastic; water-station bottles are made of 30% recycled plastic; and runners crossing the finish line will be offered water in reusable tumblers provided by refill.ie.
Diversions and rolling road closures will be in place from 5.30am until around 6pm and the Black Ash park-and-ride bus will operate every 10 minutes from 7.30am to 7.15pm to the city.
See the full list of road closures below:
- additional reporting from Eoin English
This story was updated at 8.56am