No, there is no-way to over-ride the value. What you can do is 'adjust' your activity level in 'settings --> training log settings --> log defaults' to something that better approximates the value you are looking for.
A powerful attraction of the calories in/calories out paradigm is its apparent simplicity. Unfortunately, the human body isn’t so simple and that is why this seemingly wonderful formula doesn't work.
They are comfortable, but on longer runs the ball of my foot starts to heat up. I actually had to STOP, take off the shoe, massage my foot. This would help for a while, but the pain usually returned.
Most of us in the triathlon world are concerned with more than just fat burning. There are certain situations when it’s appropriate to use fins during a workout.