HMS, BM EQ-Bank 5 MC

A marathon runner is competing in a 42.2 kilometre event.

What is the likely duration their body will predominantly use the aerobic energy system?

90 seconds
10 minutes
60 minutes
180 minutes

Show Answers Only

\(D\)

Show Worked Solution

D is correct: Marathon running (2-4 hours) requires sustained aerobic energy production

Other Options:

A is incorrect: 90 seconds is glycolytic system duration
B is incorrect: 10 minutes is too short for marathon distance
C is incorrect: 60 minutes would only cover partial marathon distance