The Arthritis Foundation’s annual Jingle Bell Run is a fun and festive holiday theme 5K and even better, funds raised benefit arthritis research!  Get in the spirit on race day by wearing holiday themed costumes and tying jingle bells to your running shoes. Whether you’re in Atlanta, Philadelphia, Houston, or Seattle, there’s a local 5K event near you. Find an event here and sign up for the nation’s largest holiday 5K fun run series.