My Secret Weapon for Injury-free 100-Mile Training as an Older Runner

As I was hammering out the details of my training schedule for my 100-mile race, I did a lot of research on the Internet. I compared many training plans and read articles from irunfar.com, Ultrarunning Magazine, and other trustworthy sources about just what a 100-mile training plan needs to include. Also, Fellrnr has a useful…