I love the costume runs for Halloween, the turkey trots for Thanksgiving, but the Jingle Bell Run is at the top my holiday run list. It’s a fun excuse to wear your ugly Christmas sweater or tie jingle bells to your laces, but most importantly, this run raises money for the Arthritis Foundation. The 10th Annual Portland Jingle Bell Run is Sunday, December 4th at the World Trade Center in Downtown Portland. Besides raising money for a great…