Well Im 65 agility right now and used to train in the wild agility course. Now because of the reverants there it is near impossible to train there without one getting through the gate and losing a lot of food. What are my alternatives for training now?

Omg they actually go into the arena? The only good alternative is ape atoll.

You could try Brimhaven :

65 is high enough for ape atoll, I do it at lv 67 and I'm fine.