Marathon Man

Riddle: The marathon man timed himself and found out that if he wore a bright white outfit he ran 20 miles in 80 minutes, but when he wore a dark outfit, he ran 20 miles in one hour and twenty minutes. What does this mean for his next race?

Answer: Absolutely nothing, as 80 minutes equals an hour and twenty minutes.

Source: https://www.riddles.com/111

The marathon man timed himself and found out that if he wore a bright white outfit he ran 20 miles in 80 minutes, but when he wore a dark outfit, he ran 20 miles in one hour and twenty minutes. What does this mean for his next race? — Marathon Man by Anonymous v1.

Riddle: The marathon man timed himself and found out that if he wore a bright white outfit he ran 20 miles in 80 minutes, but when he wore a dark outfit, he ran 20 miles in one hour and twenty minutes. What does this mean for his next race? Answer: Absolutely nothing, as 80 minutes equals an hour and twenty minutes. — by Anonymous v2.