An Ironman Triathlon Participant Is Burning Upwards of 3,500 Calories

Multiple Choice

An Ironman triathlon participant is burning upwards of 3,500 calories per day during training sessions and is consuming approximately 3,000 calories. If this pattern persists over several weeks, what impact will it have on the athlete? Select all that apply.

A) Improved performance times
B) Muscle atrophy
C) Improved immune system function
D) Fatigue
E) Increased risk of injury