I attribute the popularity of endurance sports with Boomers (whether rich or not) to three things: 1. They missed out on high school sports and are circling ba

I attribute the popularity of endurance sports with Boomers (whether rich or not) to three things: 1. They missed out on high school sports and are circling back for the experience. 2. Fear of death. If I can do Death Valley to Whitney Portal, surely death is far from me! 3. Because they can. Most of us have joint issues or some other malady that keeps us from doing it.