Have you been running at the same speed? You mention treadmill running, so the odds are your workout is the same, either speed or length.
You don't have to give up running, but you do need to shake things up. Start adding intervals! Play with incline, speeds, really challenge yourself. Maybe even get OFF of the treadmill, and get outside. An outdoor workout is very different from a treadmill workout.
SP has a couple of articles about shaking up your treadmill workout: www.sparkpeople.com/blog/blog.asp?post=6_s
Weight loss is, at its core, about the food you eat. Exercise makes it a lot easier, but before you freak out about not doing enough exercise, you need to shake things up in the kitchen, too. If you aren't losing, the odds are one of two things is at fault:
1) You're overestimating calories burned.
2) You're underestimating calories eaten.
The first can happen when you don't shake up your workout.
The second happens when you eyeball your food portions. Being careful about your choices is good, but it's still possible to overeat, even on healthy foods!
What's your calorie range, and how much are you eating each day? ARe you weighing and measuring?
SP has a great series on plateau busting that you'll find helpful, I think. Here's part 1: www.sparkpeople.com/resource/fitness_artic
Edited by: DRAGONCHILDE at: 6/5/2013 (10:48)