The Sport Information Resource Centre
The Sport Information Resource Centre
Swimming coach standing on the pool deck watching a group of swimmers racing down their lanes.

Although Olympic athletes are known for their meticulous pre-competition routines, many aspects of competition are out of their control. For example, research shows that Olympic swimmers have 0.32% improved performance when they race in the evening compared to in the morning—showing that time of day could be enough to make or break a podium performance.