Los Alamos Chamber of Commerce Manager Nancy Partridge, right, with her sister Valerie Partridge crossing the finish line Sunday at the Avon Walk for Breast Cancer event in Charlotte, N.C. Courtesy photo 

Los Alamos Chamber of Commerce Manager Nancy Partridge, left, with her sister Valerie Partridge making the world a better place Sunday at the Avon Walk for Breast Cancer event in Charlotte, N.C. Courtesy photo