Aspen's C4C 10K Race showcases a unique route on various trails, bike paths, and sidewalks around Aspen and has become an off-season highlight for many local runners. In-person registration is Friday, September 20 from 3-7pm at the Limelight Hotel in Aspen. You can also register the morning of the race from 7-9am. As the title sponsor, the Limelight will host an after-party. The race will benefit the Caring For Community Fund.