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"I want to run a marathon," I told my editor in late July — about three months away from the actual race. She stared back at me through her laptop, presumably assessing whether I was of sound mind. "I ...

I spent most of my 20s and 30s burning the candle at both ends. After I graduated from business school, I worked for 15 years as an executive in the consumer goods and retail space. It was really ...