On Friday, April 24th, the charity spectacle Derby Days will combine high flying snowboarding with Coachella-style bands in Downtown Los Angeles. The USC Sigma Chi Fraternity hosts their annual event to raise money for the Childrens Hospital Los Angeles. Red Bull USA, The Marriott Hotels, Tavik Clothing, Wahoo's Fish Tacos, and Los Angeles’ own 97.1 AMP are presenting sponsors.

TONY ALVA, skateboard legend and CHLA supporter, is hosting Derby Days 2009, while FUEL TV and Fox College Sports film the action.

The 2009 Derby Days will feature the Cricket Campus Rail Jam Tour, a portable X-treme sports entertainment event that comes with 25 tons of snow. The CRJT is a grassroots snow sports movement dedicated to promoting a mix of professional and amateur snow shreds. The CRJT will kick off Friday's events with live DJs 60 athletes skiers and snowboarders and hosted by Pro Snowboard Legend Todd Richards.

The Omatic team will also be present throwing down! Come early for a chance to win thousands of dollars in prizes to be thrown out to the crowd and given away throw text to wins.

In 2008, Derby Days donated over $50,000 to the Childrens Hospital of Los Angeles.

In the past 5 years, Derby Days has featured a mix of prominent performers and up and coming acts. Artists such as MGMT, Shwayze, and Slightly Stoopid reflect Derby Day’s commitment to presenting a variety of musical styles. Bordering the University of Southern California campus, Derby Days’ collegiate setting makes it a truly memorable place for artists to perform.

Check out the most recent shred footage from the UNR rail jam!