I ran outside. It was liberating. Here are some things that I learned.
1. I run faster outside.
2. Small rolling slopes don't really look like hills when you are running on them, but your legs know the difference between them and a treadmill.
3. The gravel on the side of the road might look like a better running lane, but those weeds growing in it make it a lot tougher than just running on the asphalt.
4. Seeing the mile marker down the road is not the same as knowing exactly how far you have come.
5. A compression shirt is like a body bra for a fat guy, it doesn't eliminate the jiggle it just controls it.
6. The sun is hot.
7. A breeze at your back in the last 5 minutes of a run can feel like a real blessing.
8. Nothing beats seeing the endpoint of your run and being able to run faster to it.
I probably learned more than just those things, but that is all I can think of right now. I finished my 1.8 mile course in 29:12. I wasn't even trying to run faster, at least until the final 300 feet or so. Let's put it this way, I know my next run will be outside.