When developing a personalised hydration plan for road racing, should the focus be on drinking a set amount of water at specific intervals, or should athletes focus on monitoring their urine output and colour to determine hydration levels.
Some hydration plans suggest drinking between 600-800ml of water per hour, whereas others recommend using urine output as a guide, suggesting that a pale yellow colour indicates adequate hydration.
However, its unclear whether these methods can account for individual variations in sweat rate, body composition, and environmental conditions. How do you determine what hydration approach works best for you, and are there any alternative methods for monitoring hydration levels during long road races.