He's my best friend in the whole world, and I'm really happy to be doing this with him.

Never in a million years that I think I'd be able to travel the world with my dog.

I'm Lindsey Vonn.

I'm a gold medalist, but my real love is video there.

And Lucy in this competition, dogs and their partners are teammates on the most thrilling adventure of their lives.

Way Go thistles.

What me and Derby live for?

Griffin is about us.

It's gonna come out in this competition.

E need to win today, just he's just cool as a cucumber.

He's sleeping right now.

He's like, straight up, asleep.

You wanna be in the East West, Okay, Keep loving way past 65.

This is a life that I thought I'd never have with a dog by my e was getting deep.

That's what the pack is all about.

That love and affection and bond that you have with your dog.

There's no greater feeling than that.

Can't believe I'm doing this with my dog, E m So already to get this adventure starting.

You are my best friend and we've got some things to do.

Look at this.

This is what it's like working on a studio.