How Many Calories Does 8 Miles of Walking Burn?

An 8-mile walk can result in a calorie burn of between 640 and 1,008 depending on weight and pace. A 140-pound person can burn 200 calories per hour while walking at a pace of 4.5 mph, according to Prevention.

The majority of people start out walking a mile in 20 minutes, but over time they may acquire an athletic 12-minute mile pace to burn more calories. The heart consumes oxygen, a vital component in the body’s calorie-burning process, more quickly the faster a person walks.

A person can cover more ground in a shorter amount of time by walking at a faster pace. According to SparkPeople, the precise calculation of calories burned is based on a person’s weight and the amount of time they spend walking at a particular pace. To find the number of calories expended for a certain weight range, use an online calorie calculator.

If a person walks at a pace of 4 mph, an 8-mile walk typically takes two hours to complete. This results in a 15-minute mile pace for a 200-pound person and a significant reduction in calories burned compared to a 20-minute mile pace.

A 200-pound person walks 8 miles at a pace of 15 minutes per mile and burns 864 calories in two hours. This same person requires an additional 40 minutes to finish an 8-mile walking workout at a steady rate of 20 minutes per mile, which results in only 624 calories being burned in two hours.

Misha Khatri
Misha Khatri is an emeritus professor in the University of Notre Dame's Department of Chemistry and Biochemistry. He graduated from Northern Illinois University with a BSc in Chemistry and Mathematics and a PhD in Physical Analytical Chemistry from the University of Utah.

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