PURCHASE, N.Y. – More than 900 runners and walkers came out earlier this month for the Arthritis Foundation’s third annual Jingle Bell 5K Run/Walk to benefit arthritis research. The Jingle Bell Run, which featured a holiday costume contest, kids’ fun run, and a sponsor expo, was held at the Performing Arts Center at Purchase College.“The Westchester Jingle Bell Run/Walk started in 2013 ...