A massive 423,000 people across the UK have taken part in the Sport Relief Mile and raised millions for charity.
A total of 20,000 'milers' ran on London's Victoria Embankment
Sponsored runners, walkers and even toddlers at more than 250 separate venues completed a mile.
Celebrity chef Jamie Oliver and Olympic gold medallist Dame Kelly Holmes were among the celebrities who took part.
And GMTV presenter Jenni Falconer was crowned Only Fools On Horses Show Jumper of the Year, narrowly seeing off pop music guru Nicki Chapman.
Tony Blair and Prince William completed their miles ahead of the main events.
Before the London Mile - held on the Victoria Embankment with a record 20,000 milers - Jamie Oliver admitted he had not done any training.
"Just running round after my wife, my kids and my students," he said.
Meanwhile, Olympic double-gold medal winner Dame Kelly Holmes insisted she was not out to win the race.
She said: "This is all about having fun and everyone's here to enjoy themselves."
Pop group McFly were among the celebrities taking part
There were 15 National Miles in Britain's major cities, and more than 250 Local Miles taking place.
These included Glasgow, Birmingham, Hull and Nottingham - as well as Blackpool, Frome and the Isle of Arran.
Former Olympic athlete Steve Cram sounded the airhorn to start Manchester's Sport Relief Mile - which, with an estimated 10,000 runners, was the most popular mile outside London.
More than 250,000 schoolchildren already completed their mile during the week at school sports days and sports clubs.
More than 100 MPs have shown their support by doing the Sport Relief Westminster Mile.
Former England football captain David Beckham and Conservative leader David Cameron also backed the campaign.
And comedian David Walliams, from Little Britain, undertook a gruelling 21-mile swim across the English Channel to raise money for the charity.
He will discover on Saturday how much cash his epic feat raised.
The Sport Relief Mile aims to get people of all ages, abilities and fitness levels to sign up, get sponsored and complete a mile.
Participants are given one red sock when they sign up, and the other when they finish.
The 15 National Miles were in Belfast, Birmingham, Brighton, Bristol, Cardiff, Glasgow, Hull, Ipswich, Leeds, London, Manchester, Newcastle Gateshead, Nottingham, Plymouth and Southampton.