K1 Speed in Carlsbad, California looks to Round 5 this weekend for its Challenge GP Race series that’s moving towards wrapping up the first half of 2011. Our North San Diego location will offer a fun and challenging reverse-run track layout that is fast and technical. The course has been a blast for drivers of all skill levels and driving abilities that have attended previous events. The overall points championship is close and this Sunday could be the weekend that we see changes at the top of the series’ points standings. Sign-ups will begin at 6:30 PM on Sunday, May 22nd with qualifying starting at 7:00 PM. Entry fee is $50 per driver.