Pippa Middleton & Brother James Kick Off Race Across America

Pippa Middleton poses for a photo with her brother James while kicking off the Race Across America on Saturday morning (June 14) in Oceanside, Calif.

The younger siblings of Catherine, Duchess of Cambridge are participating on a cycling team that make a 3,000 mile trek from California all the way to Annapolis, Maryland.

Pippa and James will help raise money for a charity named for Michael Matthews, who died in 1999 at the age of 22 during a descent from Mount Everest.

10+ pictures inside of Pippa Middleton preparing to bike across the country…