Robotic leg surgery to run 20 mph without getting Tired would you do it?

If you could surgically replace your legs with robotic substitutes that had all the functionality and sensation of their biological counterparts. Let's say these new legs would allow you to run all day at 20 miles per hour without getting tired. Would you have the surgery?"
Robotic leg surgery to run 20 mph without getting Tired would you do it?
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