The Leukemia & Lymphoma Society by amy zehren

The Leukemia & Lymphoma Society (LLS) is the world's largest voluntary health organization dedicated to funding blood cancer research and patient Services. LLS’s Team In Training is the world's first, largest and best charity sports training program that trains people to achieve their best at marathons, half marathons, triathlons, 100-mile century bike rides and hike adventures while they raise funds to support blood cancer research and patient services.

http://www.lls.org