If I needed more inspiration for my challenge this is it! Check the video of Harriette Thompson finishing a marathon at age 92!!!

With her son recently diagnosed with cancer, she ran to raise funds for the Leukemia Lymphoma Society. More details of her story here http://www.nbcsandiego.com/news/local/92-Year-Old-Seeks-To-Become-Oldest-Woman-to-Finish-Marathon-305609511.html