De or het debattraining?

The correct Dutch article is:

de debattraining

Rule Words ending in -ing: almost always de. See the rule

How to use debattraining

the debattrainingde debattraining
this debattrainingdeze debattraining
that debattrainingdie debattraining
our debattrainingonze debattraining
your debattrainingjouw debattraining
every debattrainingelke debattraining
which debattraining?welke debattraining?
a big debattraining / the big debattrainingeen grote debattraining, de grote debattraining