We all wake up with fears. Sometimes they whisper in the morning, sometimes they wake us at 3 a.m. Fear of failure. Fear of not being enough. Fear of losing what we’ve worked so hard for. Even the most successful leaders I coach — CEOs, entrepreneurs, high performers — feel these fears. They push themselves harder, stay later at the office, answer emails during holidays, and still feel they have to prove themselves.

When people hear about my journey — from overcoming my childhood fear of cold water to becoming a Guinness World Record holder, a six-time ice swimming world champion, and winning gold in some of the world’s most extreme conditions — they often ask: “What’s your secret? How did you stay focused and strong in those impossible moments?”

This year has brought monumental challenges into my life, a response to my continuous desire to unlock my potential more and more each...

Here are some insights on how to pursue your passion alongside an eight-hour workday. You can organize and incorporate something into...