Hear Pippa Middleton Speak for the First Time on Camera!

Breathless, starring Pippa Middleton!

Duchess Kate's scene-stealing sister, 28, was an amateur sports star over the weekend when she completed Vasaloppet, a 56-mile cross-country ski race in Sweden for the children's charity Magic Breakfast.

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Impressively finishing in 412th place out of 1,734 women, Pippa revealed an aspect of herself most haven't experienced before: Her voice!

Approached mid-race by a Swedish TV outlet, the world-famous bridesmaid caught her breath and swigged water as she fielded questions -- admitting that the race was "tiring" and that she's an "average" skiier.

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(Her brother James Middleton also took part in the race, finishing in 5,531st out of 14,072 men.)

As it happens, her big sister Kate, 30, is slated to give her first public speech ever at a hospice center in Ipswich March 19.

PHOTOS: How Pippa became a star

Watch and hear Pippa speak for the first time on camera in this clip!

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