The Paralympic sprinter who ran 40 marathons in 40 days has spoken to Daybreak of the toll the mammoth task has taken on his body.
Double amputee Richard Whitehead said he had "met so many inspiring people" on his journey.
He joked there would be "no running this morning" and had thought about throwing his running blades into the water when he finished, but had stopped when he thought of what his doctor might say.
More top news
"Touch base", "blue sky thinking" and "we're on a journey" were revealed as the most annoying office jargon, according a study by Glassdoor.
Dr Michio Hirano denied having any financial interest in the experimental treatment considered for the baby.
The measures are set to be included in a court-mandated clean air strategy the Government is due to publish on Wednesday.