The American Association for Cancer Research (AACR) is the world's oldest and largest professional association related to cancer research. Based in Philadelphia, the AACR focuses on all aspects of cancer research, including basic, clinical, and translational research into the etiology, prevention, diagnosis, and treatment of cancer.
The Philadelphia Marathon , founded in 1954, is an annual marathon sporting event hosted by the city of Philadelphia, Pennsylvania on the third Sunday of November each year. The course is a certified 42.195 kilometres , and is sanctioned by the USA Track & Field.