649 calories all before breakfast!

just knocked out 649 calories this morning all before breakfast! sprint intervals on tread mill for 10 mins warm up and then 30 mins of sprint intervals 45 secs hard run 1 min rest for 30 mins and then right after while still warm~ elliptical on resistance program for 30 mins~ all done wearing a sauna suit :) I am beyond pumped up and sweating- off to take a nice hot shower :)