De or het competitie-indeling?

The correct Dutch article is:

de competitie-indeling

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

How to use competitie-indeling

the competitie-indelingde competitie-indeling
this competitie-indelingdeze competitie-indeling
that competitie-indelingdie competitie-indeling
our competitie-indelingonze competitie-indeling
your competitie-indelingjouw competitie-indeling
every competitie-indelingelke competitie-indeling
which competitie-indeling?welke competitie-indeling?
a big competitie-indeling / the big competitie-indelingeen grote competitie-indeling, de grote competitie-indeling