Personally, I'd lean towards you doing the NROL program, myself; esp. since you came asking about it. I don't want you to get the wrong idea and think I was discouraging you. Just taht there were some red flags in your post that I wanted clarification before urging you into something.
The caveat would be that you should gradually increase calories and break yourself into any higher-intensity forms of cardio.
At 130 lbs, 1200 cals is a bit on the low side of things; 10 cals/lb is roughly BMR, give or take, so that's probably about where you should be for losses. However, considering you've been a marathoner and used to high levels of activity, that needs to be accounted for. Also, you're tiny, which makes a difference too.
Make gradual adjustments in the calories, slowly sub in some higher intensity work in place of the high volumes you've been used to (but I wouldn't drop it entirely; remember that for all the arguments of sprinters being more muscular than marathoners, they still do high volumes of low to moderate intensity cardio too, with the actual sprinting being fairly limited), and otherwise place more emphasis on the strength workouts.
I think for your goals that'd give you the better bang for the buck.
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