Monday
Monday's stamina requirements operate on an entirely different temporal scale than most human challenges. Whilst a single Monday lasts merely twenty-four hours, the cumulative effect spans an entire lifetime. The average human will experience approximately 4,160 Mondays during their working years alone—a staggering marathon of monotony that no physical event could hope to match. Monday demands not the explosive energy of athletic endeavour, but rather the slow-burning resilience of a candle flame refusing to extinguish in a draughty corridor. The stamina required is psychological rather than physical, requiring one to repeatedly summon enthusiasm for spreadsheets, meetings, and the peculiar optimism of colleagues who claim to 'love Mondays.'
Marathon
The marathon demands approximately 2-6 hours of continuous physical exertion, during which the human body depletes its glycogen stores, potentially experiences 'hitting the wall,' and questions every life decision that led to this moment. Runners must maintain stamina across 42.195 kilometres of pavement, managing energy expenditure, hydration, and the psychological burden of knowing there are still 30 kilometres remaining. The physiological demands are extraordinary: the heart pumps approximately 2,000 litres of blood, and the body burns between 2,500-3,500 calories. However, crucially, the marathon ends. One crosses a line, receives a medal, and never need run again. This finite nature, whilst intense, represents a fundamentally different stamina category than Monday's eternal recurrence.