The CEO of Affinity started doing Ironmans in his 40s. Here are 3 ways fitness ties into his career success.

For a triathlete with a rigorous training schedule, Ken Fine’s introduction to fitness was a little more happenstance.

“I was the type of kid who would, instead of walking to school, run just because I wanted to,” Fine, 58, told Business Insider. The CEO of Affinity, an AI-first private capital CRM, or customer management system, eventually went from challenging his friends to races to competing in track and field events throughout his youth, including his time in the Navy.

He later discovered triathlons in his early 40s, when he first learned to swim in his community pool. Spending time with triathletes encouraged him to sign up for his…