De or het topatlete?

The correct Dutch article is:

de topatlete

Rule Words ending in -te: usually de. See the rule

How to use topatlete

the topatletede topatlete
this topatletedeze topatlete
that topatletedie topatlete
our topatleteonze topatlete
your topatletejouw topatlete
every topatleteelke topatlete
which topatlete?welke topatlete?
a big topatlete / the big topatleteeen grote topatlete, de grote topatlete