The race is on as local filmmakers scramble to produce a 10-minute film in less than 10 days. This year marks the sixth annual 10 x 10 filmmaker's challenge, and the theme is 'milestones and markers.' Local filmmakers, actors and film crew members form teams annually to compete in the challenge, using the year's specified theme and an assigned prop to create a 10-minute-long film in 10 days. The films will be presented in a three-hour gap during the closing weekend of the 10th Sacramento Film and Music festival at the Crest Theatre on August 1. Submissions will be judged by a jury for overall production quality. Participants showed up Thursday evening at the Crest Theatre to find out th