1 venture capitalist vs. 7 marathons in 7 continents in 7 days: Here's how this man ran one of the world's hardest races while working 80-hour weeks A World Marathon Challenge training plan from a VC working 80-hour weeks includes a system for getting everything done and a high bar for quitting. https://www.businessinsider.com/world-marathon-challenge-training-plan-busy-schedule-2023-10