Weekend Hackathons
Explore 582 weekend hackathons. Short-format events — three days or less, running across a Saturday or Sunday — so you can build, demo, and be back at work on Monday without booking time off.
Hackathons
534
Avg Prize
$4K
Organizers
60
Monday, September 28, 2026
Thursday, October 1, 2026
Upcoming
Hack am Rhein
In Person
Oct 1 – Oct 4, 2026Basel, Switzerland
Hackathon
Upcoming
Space & Water Hackathon
In Person
Oct 1 – Oct 3, 2026GroundstationNoordwijk, Netherlands
Hackathon
Upcoming
European Defense Tech Hackathon - London
In Person
Oct 1 – Oct 4, 2026Benjamin WolbaLondon, United Kingdom
Hackathon
Friday, October 2, 2026
Upcoming
AI Hackathon Kosovo 2026
In Person
Oct 2 – Oct 4, 2026GenpactPristina, Kosovo
Hackathon
Artificial Intelligence
Upcoming
Jugend hackt Hamburg
In Person
Oct 2 – Oct 4, 2026Jugend hackt HamburgHamburg, Germany
Hackathon
Upcoming
Swiss Hackathon 2026
In Person
Oct 2 – Oct 4, 2026SSIPLucerne, Switzerland
Hackathon
Upcoming
AI for Impact Hackathon
In Person
Oct 2 – Oct 3, 2026La MêléeToulouse, France$2K
Hackathon
Artificial Intelligence
Upcoming
The only AI hackathon that takes you from idea to a global stage
In Person
Oct 2 – Oct 4, 2026Startup BulgariaSofia, Bulgaria
Hackathon
Artificial Intelligence
Upcoming
La Machine: Robotics Hackathon by Tech Makers
In Person
Oct 2 – Oct 4, 2026Tech MakersAmsterdam, Netherlands
Hackathon
IoT
Upcoming
Da Vinci Hacklab
In Person
Oct 2 – Oct 4, 2026Da Vinci Launchpad / Da Vinci LabsTours, France
Hackathon
Upcoming
RomHack Camp 2026
In Person
Oct 2 – Oct 4, 2026Cyber SaiyanRome, Italy
Hackathon
Upcoming
CSIT RE:Uni Hackathon 2026
In Person
Oct 2 – Oct 4, 2026CSIT SocietyMelbourne, Australia$1K
Social Impact
Artificial Intelligence
Upcoming
HackSpire'26
In Person
Oct 2 – Oct 3, 2026Kolkata, India
Web Development
Mobile Development
Artificial Intelligence
Upcoming
Applied AI Hackathon
In Person
Oct 2 – Oct 3, 2026Alisa HayashiSan Diego, United States
Artificial Intelligence
Fintech
Upcoming
La Machine: a robotics hackathon by Tech Makers
In Person
Oct 2 – Oct 4, 2026Tech MakersAmsterdam, Netherlands
IoT
Artificial Intelligence
Upcoming
SF Hacks × GDG AI Hackathon 2026
In Person
Oct 2 – Oct 3, 2026Daksh KumarSan Francisco, United States
Artificial Intelligence
Social Impact
Fintech
Upcoming
Real-Time Video Agents Hack - VAST x tokens&
In Person
Oct 2 – Oct 3, 2026tokens&San Francisco, United States
Artificial Intelligence
Data Science
Cloud
Upcoming
Madrid | 48-hour Claude Code Hackathon
In Person
Oct 2 – Oct 4, 2026Leopold MorawskiMadrid, Spain
Artificial Intelligence
Social Impact
Healthtech
Upcoming
AI Hackathon
In Person
Oct 2 – Oct 4, 2026Digital JerseySaint Helier, United Kingdom$13K
Hackathon
Artificial Intelligence
Upcoming
BIO-RED Cross-Regional Kaunas Hackathon 2026: AI & health data for personalised medicine
In Person
Oct 2 – Oct 3, 2026@Asociacija LithuaniaBIOKaunas, Lithuania
Hackathon
Artificial Intelligence
Health
Upcoming
BigRed//Hacks 2026
In Person
Oct 2 – Oct 4, 2026Ithaca, New York, United States
Hackathon
Upcoming
Future innovators hackothon
Online
Oct 2 – Oct 4, 2026shrimat kotiOnline
Edtech
Healthtech
Artificial Intelligence
Upcoming
Part 2 Toronto Hackathon — Demo Day
Online
Oct 2 – Oct 3, 2026Online
Artificial Intelligence
Edtech
Cloud
Upcoming
UIUC Product Hackathon - Hack to the Future
In Person
Oct 2 – Oct 3, 2026Product Space UIUCUrbana, United States$10K
Beginner Friendly
Design
Low/No Code
Upcoming
Hackers and Healers Hackathon | NYC 🗽
In Person
Oct 2 – Oct 3, 2026Mujtaba BadatNew York, United States
Tech
Upcoming
Gator Quant Hacks
In Person
Oct 2 – Oct 4, 2026University of FloridaGainesville, United States$297
Data Science
Artificial Intelligence
Fintech
Saturday, October 3, 2026
Upcoming
Hack for Humanity: Finland
In Person
Oct 3, 2026The AI CollectiveTampere, Finland
Hackathon
Upcoming
Tech for Social Good Hackathon
In Person
Oct 3 – Oct 4, 2026Space Station HUB and Game of CodesNiš, Serbia
Hackathon
Social Impact
Upcoming
One-Shot Vibecoding Penthouse Game Jam
In Person
Oct 3, 2026BioCraftEdLondon, United Kingdom$25
Game Jam
Game Development
Upcoming
NASA Space Apps Challenge Valencia 2026
In Person
Oct 3 – Oct 5, 2026NASAValencia, Spain
Hackathon
Upcoming
Recharge Eindhoven Hackathon
In Person
Oct 3 – Oct 4, 2026Gemeente EindhovenEindhoven, Netherlands
Hackathon
Upcoming
Small AI for Development Hackathon Challenge
Online
Oct 3 – Oct 4, 2026World Bank Group's Digital and AI Vice Presidency, in collaboration with the Youth Summit, Development Economics Vice Presidency (DEC), Information and Technology Solutions (ITS), and managed by Hack-NationOnline
Hackathon
Artificial Intelligence
Upcoming
codeLinc 11, hosted by Lincoln Financial & AWS United States
In Person
Oct 3 – Oct 4, 2026Lincoln Financial GroupGreensboro, United States$10K
Cloud
Artificial Intelligence
Fintech
Upcoming
Bradford Agentic AI Hackathon
In Person
Oct 3, 2026Applied AI Society BradfordBradford, United Kingdom
Artificial Intelligence
Upcoming
AdaHack 2026
In Person
Oct 3, 2026Edinburgh, United Kingdom
Women in Tech
Student
Community
Upcoming
Shower Hacks United States
In Person
Oct 3 – Oct 4, 2026Organizer
Shower HacksSan Francisco, United States
Innovation
Community
Social Impact
Upcoming
#UTRECHT (Hack Your Utrecht)
In Person
Oct 3, 2026Randomdata Hackerspace UtrechtUtrecht, Netherlands
Hackathon
Upcoming
HackYeah 2026
In Person
Oct 3 – Oct 4, 2026HackYeahKrakow, Poland
Hackathon
Upcoming
Madrid Open - Vol.1
In Person
Oct 3, 2026Tomas Burgaleta, Maximilian Letón & JuliusMadrid, Spain
Hackathon
Upcoming
Future Health Hack #1 - Autonomous Healthcare
In Person
Oct 3 – Oct 4, 2026Zak A & Unicorn MafiaLondon, United Kingdom
Hackathon
Health
Upcoming
Kiro AI Hackathon @ PUO
In Person
Oct 3, 2026Shafiq ArifIpoh, Malaysia
Artificial Intelligence
Upcoming
Grand Innovation Challenge
In Person
Oct 3, 2026Digdoh, India
Innovation
Social Impact
Community
Upcoming
Codeutsava X.0
In Person
Oct 3 – Oct 4, 2026Raipur, India
Web Development
Mobile Development
Artificial Intelligence
Upcoming
Nasiko Build-A-Thon
In Person
Oct 3, 2026Hyderabad, Telangana, India
Hackathon
Upcoming
PAYTM Ai Hackathon -Design Competition
Hybrid
Oct 3, 2026Delhi, India$1K
Web Development
Mobile Development
Artificial Intelligence
Upcoming
Kurukshetra CTF
Online
Oct 3, 2026Pimpri Chinchwad College of EngineeringOnline$240
Cybersecurity
Artificial Intelligence
Edtech
Upcoming
Nuroen Agent Forge
In Person
Oct 3, 2026Bengaluru, Karnataka, India
Hackathon
Upcoming
Zoftware Hireathon
In Person
Oct 3, 2026Enterprise Software SolutionsDelhi, India$500
Artificial Intelligence
Data Science
Edtech
Past hackathons
Recently ended — many run again.
Sunday, September 27, 2026
Past
Food crawl & Vibecode Hackathon
Online
Sep 27, 2026Jaison Jayaraj's BaseOnline
Mobile Development
Social Impact
Community
Past
Dragon Gate - AI Filmmaking Hackathon
In Person
Sep 27, 2026Nicklaus TranSan Francisco, United States
Artificial Intelligence
Arts & Culture
Past
Berkeley x DeepMind Hackathon: Build. Ship. Win up to $5M in Seed Funding*
In Person
Sep 27 – Sep 28, 2026Google DeepMindBerkeley, United States$5K
Artificial Intelligence
Cloud
Past
Stanford Multi-Omics Hackathon 2026
In Person
Sep 27, 2026Stanford Bioinformatics CenterStanford, United States
Data Science
Healthtech
Artificial Intelligence
Past
[vibe coded] creator hackathon v3: build your tech stack
In Person
Sep 27, 2026Umama KibriaChicago, United States
Artificial Intelligence
Past
Code & Counsel Legal AI Community Hackathon: Building Common Ground
In Person
Sep 27, 2026Meagan BrownCambridge, United States
Artificial Intelligence
Social Impact
Edtech
Past
AI Agent Hackathon
In Person
Sep 27, 2026Yuxin RenKings County, United States$300
Artificial Intelligence
Fintech
Data Science
Past
Recursive Self Improvement Hack - Formal Verification in Mathematics
In Person
Sep 27 – Sep 28, 2026Sean KleinBoston, United States
Artificial Intelligence
Past
HackWimbledon September 2026 #2
In Person
Sep 27, 2026Neil LambethLondon, United Kingdom
Web Development
Mobile Development
Robotics
Past
Jev Buildathon: Ship an agent that does the work
In Person
Sep 27, 2026Aisiri RajBengaluru, India
Artificial Intelligence
Fintech
Social Impact
Past
Infinity / XSG 3D Web Hackathon
In Person
Sep 27, 2026Advance SoftwareLeeds, United Kingdom
Hackathon
Past
YFN x EU Energy Hackathon
In Person
Sep 27, 2026Zsanett Greta PappMunich, Germany
Climate Tech
Cybersecurity