David Cameron slipped into his gym gear and pounded the pavements of Oxford on Sunday in aid of the Sport Relief charity mile.
The PM was accompanied by his wife, Samantha, and hundreds of other runners.
And bless him, he looked pretty darned chuffed when he got his medal and certificate.
Cameron runs for Sport Relief
The Sainsburys Sport Relief Games(01 of08)
Samantha Cameron, wife of Prime Minister David Cameron (back), smiles as she waits to take part in the Sport Relief Mile charity run, as part of The Sainsburys Sport Relief Games, in Oxford. (credit:PA)
The Sainsburys Sport Relief Games(02 of08)
Prime Minister David Cameron with his wife Samantha after running the Sport Relief Mile charity run, as part of The Sainsburys Sport Relief Games, in Oxford. (credit:PA)
The Sainsburys Sport Relief Games(03 of08)
Samantha Cameron, wife of Prime Minister David Cameron, warms up prior to taking part in the Sport Relief Mile charity run, as part of The Sainsburys Sport Relief Games, in Oxford. (credit:PA)
The Sainsburys Sport Relief Games(04 of08)
Prime Minister David Cameron takes part in the Sport Relief Mile charity run, as part of The Sainsburys Sport Relief Games, in Oxford. (credit:PA)
The Sainsburys Sport Relief Games(05 of08)
Prime Minister David Cameron (centre) takes part in the Sport Relief Mile charity run, as part of The Sainsburys Sport Relief Games, in Oxford. (credit:PA)
The Sainsburys Sport Relief Games(06 of08)
Prime Minister David Cameron (centre) takes part in the Sport Relief Mile charity run, as part of The Sainsburys Sport Relief Games, in Oxford. (credit:PA)
The Sainsburys Sport Relief Games(07 of08)
Prime Minister David Cameron (centre) with his wife Samantha (left) at the start of the Sport Relief Mile charity run, as part of The Sainsburys Sport Relief Games, in Oxford. (credit:PA)
The SainsburyÕs Sport Relief Games(08 of08)
Prime Minister David Cameron (centre) with his wife Samantha (left) at the start of the Sport Relief Mile charity run, as part of The SainsburyÕs Sport Relief Games, in Oxford. (credit:PA)