Fourteen people so far have filed statements of candidacy with the FEC to run for DC delegate:

Eleanor Holmes Norton
Angel Anthony Rios
Kinney Zalesne
Greg Maye
Brian Ready
Jerry McClairn Jr
Deirdre Brown
Gordon Chaffin
Robert Matthews
Gavin Solomon
Kelly Mikel Williams
Robert C White Jr
Jacque Donald Patterson Sr
Brooke Pinto

That's 13 Democrats and 1 Republican (Solomon).
https://www.fec.gov/data/candidates/house/?election_year=2026&election_full=True&state=DC&is_active_candidate=true #DCElections