4X400 m relay:

4X400 m relay:
Energy Systems*		Anaerobic, ATP – CP	15%
		Anaerobic, Glycolysis	60%
		Aerobic	25%
Pre – Competition Carb Loading			No
Average Calories Burned per One Hour**			670
Endurance Diet Required			No
Risk of Muscle Breakdown (Rhabdomyolysis)***			Moderate
Risk of Sports Injuries			High
Benefits from Creatine****			Moderate
Fitness Demands	Agility		Yes
	Endurance		+
	Explosive Power		Yes
	Speed		Yes

*See “Energy Systems” under the section of “Sports Nutrition”.

**Your body weight and body metabolism are important elements affecting the average calories you burn during any physical activities. This is the average amount of calories burned by a person with a body weight of 155 Ibs (70 Kg) within one hour of this event.

***See “Post – Exercise Rhabdomyolysis” under the section of “Athletic Disorders”.

****See “Creatine Monohydrate” under the section of “Sports – Performance Enhancers”.

For the “energy paths” of this event, see the “energy map” below.