hey, well i like i said i run or walk the 30min i do more walking then running lol. i can see y ur so exhausted see im jus walking and for maybe 5 min i will run but i walk again. Im getting good results but i never felt like i was going to barf your working way to hard cool off and instead of running do walk okay! well if you have ne more questions or want to talk e-mail me at xxaznkitty1xx@yahoo.com good luck