Tangentially related: Are there any characters who are known to maintain an above average level of fitness, while hacking a startup? Fitocracy comes to mind, bu

Tangentially related: Are there any characters who are known to maintain an above average level of fitness, while hacking a startup? Fitocracy comes to mind, but if the industry were not related to fitness that would be more impressive. Fitness is one thing I would like to accompany me throughout building a startup in the future - asking too much?