PIC: Pippa Middleton Completes Grueling 50-Mile Duathlon

Celebrity Body June 18, 2011 AT 3:48PM By UsWeekly Staff

Credit: Splash News

Pippa Middleton is pounding the pavement yet again.

On Saturday, the 27-year-old Brit took part in the Highland Cross 2011, a 50 mile duathlon which takes place in the Scottish Highlands.

PHOTOS: Pippa's sophisticated street style

Arriving by helicopter, Duchess Catherine's little sister completed the 20-mile run and 30-mile bike ride as part of the Affric Brats team. Dressed in all black, the athletic beauty was all smiles by the time she approached the finish line. See more pics of Pippa at the duathlon.

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Earlier this month, Middleton participated in the GE Blenheim Triathlon at Blenheim Palace in Woodstock, England. (At one point, she collided with a topless mystery man!)

As a student at Marlborough and Edinburgh University, Middleton played hockey and tennis and, like her royal sister, continues to work out daily.

PHOTOS: The Middleton girls' family album

The recently single star -- several sources confirm in the new issue of Us Weekly that Middleton recently split with beau of one year Alex Loudon -- is also a Pilates devotee and enjoys skiing, swimming and jogging.

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June 21, 2011 - 1:14am Aaron Berkowitz
Calm down people... it's really not that big of a deal...
June 20, 2011 - 5:53pm Amy Schultz
Now THAT'S a serious race. Good for her!
June 19, 2011 - 12:43am Jenna Ornat
I like Catherine, very much, but Pippa not so much.
June 18, 2011 - 9:25pm Girlretro Celebrities
she is more famous than celebrity
June 18, 2011 - 8:22pm Isabel Paxton
Pippa is the International "bore." She's the Plain Jane sister, a nobody party girl of the beautiful, acomplished, Kate Middleton. Report on Snooki or anyone but boring, plain Jane, Pippa.
June 18, 2011 - 8:02pm Joanne Godfrey
do you honestly think she asks for this??? there have been special bodyguards set to help her because of this...really folks, the media has become a gross and over reaching intrusion on anyone's life that will sell...
June 18, 2011 - 7:45pm Diane Stadtherr
The ONLY reason she's even in the news, is because she's Kate's sister. Before the wedding, no one even knew of her. If I had to chose between her and the Kardashians, I wouldn't chose anyone. This is serious overkill!
June 18, 2011 - 6:56pm Debra Toth
princess wanna be.....so tired of hearing about her
June 18, 2011 - 6:27pm Rebecca Macatee
go pippa!
June 18, 2011 - 5:40pm Antonia Canton
this is getting boring already. who is she anyways?
June 18, 2011 - 5:26pm Celine Jos
Pippa who? Puke!
June 18, 2011 - 4:45pm Melody Sablan
Serious overkill on Pippa. I would rather here about her sis or Camille, or Harry. Seriously - the Kardashians are way more interesting.
June 18, 2011 - 4:30pm Diane Stadtherr
WHY is she in the news every 20 seconds????
June 18, 2011 - 4:18pm Shannon Burmatoff
Whoopi do