She performed the last date of her tour in London on Friday night but Katherine Jenkins doesn't have time to put her feet up.
On Saturday the Welsh singer was busy preparing for the London Marathon and tweeted a snap of her race shirt to her fans.
Along with the picture showing her running top, that had a picture of her late father on the front, she wrote: 'One (touring) marathon down, One (real one) to go...'
One down one to go: Katherine Jenkins rounded
off her UK tour on Friday night at the 02, she will take part in the
London Marathon on Sunday
'For dad': The 32-year-old singer posted a picture of her running shirt, which has a picture of her father printed on the front
The 32-year-old singer is running the 26.2 mile ran for Macmillan cancer charity and along with the snap she posted a link to her Just Giving page.
On Friday night Katherine rounded off her UK tour with a performance at London's 02 arena.
In memory: Katherine is running the marathon to
raise money for Macmillan, in memory of her late father who lost his
battle with lung cancer when she was just a teenager
No rest for the wicked: Katherine has been busy
touring all over the country and wore a strapless purple gown on
Saturday evening in London
Remembering dad: The Welsh star will be running in memory of her father who passed away from lung cancer when she was 15
After her performance Katherine tweeted: 'ThankU London - U were awesome! A great last nite.Now for some end of tour partying...'
The singer posted a picture of herself in a tight monochrome dress and she was with Il Divo singer Carlos Marin and rugby player James Haskell.