This question is very unclear, but I'm giving it a shot anyway. I'm really not sure if it is accurate and I'm a little skeptical about it. It said that in 45.5 min. I ran 7.8 miles and at a pace for 8.8 miles per minute. I looked at it after about 5 minutes without stopping, it said my pace was 7.3 miles per minute (my pace didn't fluctuate that much, yet I'm not exactly sure), and it said burned about 750 calories. Yesterday, it said that in 27 minutes I ran for 4,8 miles for 8.3 miles per minute and that I burned about 450 calories.