Tip 0) especially for older people: Get an ok from a physician before starting on a running program. I horked both Achilles pretty badly a few years ago by try

Tip 0) especially for older people: Get an ok from a physician before starting on a running program. I horked both Achilles pretty badly a few years ago by trying a walk-->run progression I found on the web. Didn't rupture but came pretty close. GP and later a podiatrist both said they wouldn't have recommended running had I asked. Been dealing with tendonosis ever since.