Switching between can be hard. I've been using both each week and can tell you it's a different experience. Just go slow, be kind to yourself and trust that you can do it!

I'm on my 2nd bout with week 3, wanted to be sure I could do it easily before I moved to week 4. In any case, for me I've done most of my training on the treadmill just cause I hate the cold. Then one day last week I did a day outside and it was actually easier to me. Probably because watching the time go by on the tm is such a snooze.

I did burn more calories and had an overall quicker run speed outside which was interesting. I felt like I was going SO slow.

I finished week three and it was a challenge. I've attempted week four - three times already and failed! I hope to attempt it again tonight outdoors.

I like running outdoors more. I hate the treadmill. It is different but I don't think its terribly hard to run outdoors compared to the treadmill.

Congratulations on finishing week 3. I'm due to start week 3 this week but I'm not feeling ready. I acutally had a hard time wiith week 2. The funny thing is when I'm running I can manage but when I slow down my breathing gets out of control & I have to stop while walking to catch my breath. My recovery time is not what it should be yet. I haven't run outside yet, only treadmill. I'm really self conscious about how I look running, I know I shouldn't be, but maybe once I can run without looking like I'm dying I'll feel better about that.

BeachGurl - how fast are you running?

I'm running slow. Outside its hard to judge but on the treadmill I am running about 4.2mph. I was running 4.5 but slowed a bit to 4.2. I can try slowing down to 4.0 on the treadmill and seeing if that works.

I just finished week 3 and it feels amazing!! I'm kinda scared of week 4. I have been doing this mostly on the treadmill because its still been very cold where I live. I did get to go on a path last weekend. I found it to be much harder outside than on my treadmill. My heart rate was way up and I burned about 100 more calories than usual. Anyone else notice that its more difficult outside than inside?

Nice job, I also just finished week 3. I have also been using the treadmill since there is a ton of snow on the ground still. I found outside easier because on treadmill i tend to set a fast pace on my runs and when actually outside I do not go as fast. I run about 5 MPH outside and on treadmill around 6.5-7. I found it harder if your outside run includes uphill running. Have you tried to use a track?