Two 25-year-old men died after collapsing during the Great North Run on Sunday, according to event organizers. The half marathon, which runs from Newcastle to South Shields, saw both participants fall ill on the course.

The Great Run Company stated that both men were from the north-east of England. Despite the efforts of the event's medical team, both participants passed away. The causes of death are being determined and will be released in due course.

"We are continuing to support their families during this incredibly difficult time, and our thoughts and sympathies are with all those who loved and knew them," a spokesperson for the Great Run Company said.

The Great North Run is in its 45th year, with 63,000 runners participating in this year's event. The backs of hundreds of runners running across the Tyne Bridge which is partially covered by scaffolding on the left. Spectators stand on the right, many holding up colourful signs and looking to the runners on the left.