Bi gcage with lot's of floor space and climbing branches. These guys will eat lizards and rodents, but might be picky for lizards for a while. If he doesn't want to eat that, try big, juicy grasshoppers. Racers are extremely opportunistic in the wild, and *should* eat what you offer him, as long as it's the right size.
Use a heat lamp instead of an UTH. These guys are diurnal and will bask if you let them. They also like hot weather, so a basking spot in the low 90's works well during the day. Low 80's at night.
They are incredibly active animals, and *may* require more frequent feedings than a corn. I would try weekly and see how he does, if he's eating rodents. If he's eating lizards, every 5 days...see how it goes.
DISCLAIMER!!! This is not a care sheet, and this advice is not based on experience with captive racers. It's based entirely on what I know of the Coluber species and their wild habitats. I'm just guessing at what *should* work in captivity...
Take this with a grain of salt...
