Olympic silver medalist Steve Backley said doing the Olympic Park run was incredible.
Backley, who joined other sports stars including cricketer Alec Stewart and athlete Fatima Whitbread, said:
"It was incredible. It genuinely brought back all the memories of competing at Olympic Games."
More top news
There was an "alarming" increase in the number of death sentences issued around the world last year, Amnesty International has said.
Paracetamol is ineffective at treating back pain, Australian researchers say.
Madonna says she still cannot bring herself to watch footage of the moment she fell on stage while performing at the Brit Awards.