BCDevpost, Inc.
Black Code Collective Hacktoberfest
12–24 Oct 2026 · Washington DC
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Hackathons in Washington DC
They run from October 2026 through to January 2027. Hacktoberfest is the most common theme, on 3 of the 5 listings. Organisers listing here include Devpost, Inc., MoCo Code and Coffee and Black Code Collective. Dates, prizes and registration links on every listing, updated weekly.
5 upcoming hackathons in Washington DC, United States
MCMoCo Code and Coffee
MoCo Code & Coffee x MLH Hacktoberfest Hack Day (@ Bethesda Green)
18 Oct 2026 · Washington DC
BCBlack Code Collective
Black Code Collective Hack-A-Thon
24 Oct 2026 · Washington DC
PRIZE$500
GAErich Kottke
Georgetown AI Buildathon
13 Nov 2026 · Washington DC
HHDevpost, Inc.
Hoya Hacks 2027
22–24 Jan 2027 · Washington DC
past hackathons
Civic Tech DC
Civic Tech DC x GW OSPO Hackathon: RideScore DC + FEC Data
3 Oct 2026 · Washington DC
The AI Collective
Hack for Humanity: Build Day
26 Sep 2026 · Washington DC
Devpost, Inc.
hackUMBC 2026
26–27 Sep 2026 · Washington DC
AI Freedom Lab
AI Hack for Freedom III - Winners Announcement & Celebration
25 Sep 2026 · Washington DC
ArtHall
Video Game Jam
25 Sep 2026 · Washington DC
Devpost, Inc.
HopHacks Fall 2026
18–20 Sep 2026 · Washington DC
Devpost, Inc.
Poly.Tech mini hackathon
11–17 Sep 2026 · Washington DC