In addition, what are the advantages and disadvantages to each?
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I prefer bicycling!!!!!
Bicycling is easier on the knees and ankles.
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I don't really like to run, I'd rather just walk quickly. I prefer outdoors over a treadmill, it seems to make the time go faster.
I prefer to run on a treadmill for safety reasons. and also i cant find a good time for running outside since i'm leaving inside the metro.
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