Final answer:
Each runner will run 1/4 mile in the relay race.
Step-by-step explanation:
In a relay race that is 1 mile long, each relay team has 4 runners. Since the race is 1 mile long and each runner runs the same distance, we need to divide the total distance by the number of runners. So, each runner will run 1/4 mile.
Learn more about relay race distance