If you're looking for quick read, a little motivation, and maybe a few helpful tips along the way, Not Dead...
70-79
https://www.runnersworld.com/news/a25593341/70-year-old-marathon-record/ No matter your age, there's always somebody older that you can look to for inspiration.
http://www.popsugar.com/fitness/78-Year-Old-Woman-Deadlifts-225-Pounds-40751870 More inspiration from the 70 and older ranks!
http://www.active.com/running/articles/retired-and-running-one-man-runs-278-consecutive-races Following a mid-life crisis in his mid-30's, Richard Bleeker began a slow but deliberate process to change his lifestyle—eventually...
https://www.youtube.com/watch?v=NKsx9mvowbY Going the Distance, produced by Jessie Beers-Altman, shares the story of the most unlikely, but popular race at the...