Originally Posted by Capt Tasty Cheeks
right now I am doing intervals and I do a little less than 10 minutes per mile for 3 miles. At this point my routine is getting a little bit easy. I'm thinking of either increasing speed and sticking with 30 minutes of cardio or maybe adding 2-4 more intervals into my routine.
Go walk 3 miles with a 30 lb kettlebell in each hand.