Walking over 3 miles an hour is classed as moderate exercise. 2.5 hours every week, so most experts suggest 30 minutes a day, five days a week or if you prefer, 20 minutes every day. If you can manage 4.5 miles per hour or uphill, thats vigorous exercise similar to light running or cycling. At this intensity, an hour and fifteen minutes a week is sufficient.
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A distance of 2 miles should take around 30 minutes. 1 mile will take around 16 minutes, while 0.8 miles will take around 12 minutes.
As a general rule, the faster you go, the more calories you will burn exponentially since your body uses more energy to go faster. At a moderate speed per hour you will burn less calories than walking at a faster rate, e.g. a moderate to fast pace.
Several studies have found shown high-intensity training (HIIT) significantly reduces total abdominal fat, including visceral belly fat more effectively than lower-intensity exercise like walking.
2 miles should take about 30 minutes on average.
Calories Burned in 30 minutes
Weight 100lb:119
Weight 120lb:143
Weight 125lb:149
Weight 150lb:179
Weight 175lb:208
Weight 200lb:238
Weight 250lb:298
Weight 300lb:357
Calories Burned in 40 minutes
Weight 100lb:159
Weight 120lb:191
Weight 125lb:198
Weight 150lb:238
Weight 175lb:278
Weight 200lb:318
Weight 250lb:397
Weight 300lb:476
Calories Burned in 45 minutes
Weight 100lb:179
Weight 120lb:214
Weight 125lb:223
Weight 150lb:268
Weight 175lb:313
Weight 200lb:357
Weight 250lb:447
Weight 300lb:536
Calories Burned in 1 hour 15 mins
Weight 100lb:298
Weight 120lb:357
Weight 125lb:372
Weight 150lb:447
Weight 175lb:521
Weight 200lb:595
Weight 250lb:744
Weight 300lb:893
Calories Burned in 1 hour 15 mins
Weight 100lb:298
Weight 120lb:357
Weight 125lb:372
Weight 150lb:447
Weight 175lb:521
Weight 200lb:595
Weight 250lb:744
Weight 300lb:893
Calories Burned in 1 hour 30 mins
Weight 100lb:357
Weight 120lb:429
Weight 125lb:447
Weight 150lb:536
Weight 175lb:625
Weight 200lb:714
Weight 250lb:893
Weight 300lb:1072