How many 13 year olds have beaten 18 year olds in a race?

While there isn't a specific statistic on how many 13-year-olds have beaten 18-year-olds in a race, it is certainly possible depending on the individuals' athletic abilities, training, and the distance of the race. There have been instances in various sports where younger competitors outperform older ones, particularly in youth athletics or casual races. Ultimately, performance can vary widely based on numerous factors, making it difficult to quantify.