In order to increase his speed and endurance, and thus improve his running time in a marathon, John is looking to revise his running plan. Last year, John ran an average of four times per week. This year, John is looking to increase the distance he runs per week by at least 50 percent. Therefore, John plans to run at least six times a week this year.
Which of the following is required for this year’s running plan to achieve its aim?
(A)John’s plan for this year includes running a longer distance for each run as compared to each run last year.
(B)The risk of injury does not increase with either the distance run or the number of times someone runs per week.
(C)The two additional runs per week will be for a shorter distance than the average distance John ran per run last year.
(D)John plans to increase the distance he runs for his longest run each week by 50 percent compared to the distance he ran during his longest run each week last year.
(E)The average distance per run in John’s plan for this year is at least as long as the average distance John ran per run last year.