Its an aesthetic reason. Most tracks are red because older tracks (before man-made surfaces) were red cinders.
A lot
Most indoor running tracks are 200M, some are also odd distances like 140 or 150M, but you will sometimes stumble upon indoor 400M tracks (They are pretty rare).
Running tracks are not all the same shape. Some have longer straights and sharper curves than others.
blue then red or red then blue
round
For blue running shorts,check out Nuke and other running sport shops on their online site. But for the cheapest price, I would say to check Amazon or eBay.
Some are playground floor material but a little bit more solid, but some are concrete. You can either run track for speed or distance.
A compound word for train tracks would be railroad or railroad tracks.
There are no Running Shoes in Pokemon Blue.
Yes, high school tracks can be used for running and training purposes. They provide a designated space for athletes to practice sprints, distance running, and other track and field activities.
It depends on the track they are running on. On some Nascar tracks they may reach 200 mph.
banked turns