will these survive?

[TheGanjaKing420]

any ideas what is causing the tortoise-speed growth?

Possibly the super wet looking soil you have in that pot. You need to repot those to individual pots into some good soil mixed with perlite. It appears your drainage is not good at all.

Another tip, do what someone else said, bury them an inch or two deeper when transplanting but be careful.

You can still save these babies, its just going to take some work.