The Clash at Clairemont began in 2007 as a cooperative effort between pro skateboarder Andy Macdonald, the YMCA, Grind for Life and industry sponsors like Pacsun and SoBe beverages. The event, a celebration of the newly acquired ramp and park renovations, was an opportunity to create a fundraiser that benefits the Mission Valley/Krause Family Bike and Skatepark and the Grind for Life Cancer charity. The event featured over 45 Action Sports athletes, live music and family fun--and was a huge success!

This year, Clash at Clairemont 7 featured the Sonic Generations of Skate presented by Sonic Lost World. This unique team competition format celebrates three generations of half-pipe skateboarding over the past decades. Each Team consists of one 40-something skater (first generation), One 30-something skater (second generation) and one 20- something or younger skater (third generation) competing against the other teams with the same mix.

Some of the pros competing included stars Tony Hawk, Andy Macdonald, Bucky Lasek, Pierre Luc Gagnon, Lincoln Ueda, Sergie Ventura, Kevin Staab and Mike McGill, as well as young guns Mitchie Brusco, Adam Taylor, Jimmy Wilkins and Marcelo Bastos.

MovieTickets.com was on hand to help support the cause. Here are some of the highlights from this summer's Clash at Clairemont!

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