SVYCA Youth for Earth (Y4E) Hackathon
Silicon Valley Youth Climate Action · Stanford University, Stanford
29-day build with a submission deadline; $2,700 prizes.
Open$2,700 prizes
The Bay Area hackathon calendar
Everything worth building at,
gathered in one place.
Every hackathon across San Francisco and the wider Bay Area, kept current morning and evening. Subscribe once and the next one finds you — no more combing through invite links and half-dead group chats.
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/calendar.icsWhat’s coming up
September 2026
- Check page
- Open
SF Frontier Hackathon: Build your Autonomous Code Factory
Obvious Community Events · SoMa, San Francisco
10-hour build.
Open☕️ Codex Community Meetup-San Francisco #10
TatianaSF · San Francisco
3-hour build with demos, team formation; prizes listed.
OpenPrizes listedITCH - Businesses share what needs to be built - (Retail)
ITCH · European Startup Embassy, San Francisco
2-hour build.
OpenPunk Software Hack Night: Build-an-extension
Imbue Events · Civic Center, San Francisco
4-hour build with demos, team formation.
OpenLong Horizon Agents Hackathon
tokens& · San Francisco
10-hour build with judging, demos, team formation, a submission deadline.
ApprovalLong Horizon Agents Hackathon
tokens& · Financial District, San Francisco
10-hour build with judging, demos, team formation, a submission deadline.
OpenHackathon: AI Tools for Better Decisions and Coordination
BlueDot Impact · Civic Center, San Francisco
2-day build with judging, team formation; $5000 prizes.
Open$5000 prizesCerebral Valley — The Agent Arena Hackathon
Cerebral Valley · San Francisco
8-hour build with team formation; $10,000 cash.
Open$10,000 cash- Approval
Showerhacks
Showerhacks · Entrepreneurs First, San Francisco
13-hour build with team formation; $25 prizes.
Open$25 prizesShower Hacks
Shower Hacks · location on event page
12-hour build with a submission deadline; $9,750 prizes.
Check page$9,750 prizes- Sold out
Bitrig Hacks: iPhone Duo Edition
Bitrig · San Francisco
8-hour build with judging, demos, team formation; prizes listed.
OpenPrizes listedMetropolis Hackathon Builder Day: SF | $250,000 in prizes
Monad Foundation Events · SoMa, San Francisco
7-hour build with team formation; $250,000 prizes.
Open$250,000 prizesITCHATHON - Solve actual problems
ITCH · European Startup Embassy, San Francisco
9-hour build with team formation.
Open- Check page
Dragon Gate - AI Filmmaking Hackathon
Khushal Davesar · San Francisco
6-hour build with judging, team formation, a submission deadline.
Open- OpenPrizes listed
Startup Speedrun Hackathon
Brainbase Labs · Cloudflare, San Francisco
8-hour build with team formation; $27.5k+ prizes.
Approval$27.5k+ prizesAgentic AI Hackathon: AWS Community Day Bay Area 2026
AWS Community Bay Area · AWS Builder Loft, San Francisco
15-day build with judging, demos, team formation, a submission deadline; $3,200 prizes.
Open$3,200 prizesAI Agents for Data Teams: A Practical Mini-Hackathon
Bay Area Snowflake User Group · 135 Constitution Dr, Menlo Park
3-hour build with team formation.
OpenThe AI Conference Hack Day 2026
[SF] HackerSquad · Mission Bay, San Francisco
10-hour build with demos, team formation; prizes listed.
OpenPrizes listedAI Security Engineering Hackathon
AI Security Engineers - SF Bay Area · AWS Builder Loft, San Francisco
5-hour build with judging, team formation, a submission deadline; $10,000 prizes.
Approval$10,000 prizes- Open
Fix My Agent: Make Your Agent Production-Ready | AI Valley × PostHog × GMI Cloud
AI Valley · San Francisco
3-hour build with demos, team formation.
ApprovalEMBEDDED SF: CraftifAI Physical AI Hackathon
Devnovate · San Francisco
10-hour build with demos, team formation; $1,000 cash.
Approval$1,000 cashWomen Build Oakland: From Idea to App in One Day
CoCo Noir Labs Calender · Oakland
9-hour build with judging, team formation; prizes listed.
ApprovalPrizes listedAgent Hackathon
Solana San Francisco · San Francisco
8-hour build with judging, demos, team formation; $1500 prizes.
Approval$1500 prizesPicnic with Builders at Stanford
SF Startup Labs · Stanford University, Stanford
2-hour build with team formation.
OpenOctober 2026
Oakland Tech Week: The Future of Oakland
Hack the Hood Community · Oakland
2-hour build with demos, team formation.
ApprovalSF Hacks × GDG AI Hackathon 2026
Daksh Kumar · Student Life Events Center / Annex I, San Francisco
10-hour build with demos, team formation; prizes listed.
OpenPrizes listed- Open
Hack the Feed: Creator Tools Hackathon with Oriane, GMI Cloud & Lovable at Amplitude HQ!
Personal · Amplitude Analytics, San Francisco
5-hour build with demos, team formation; $300 prizes.
Sold out$300 prizesPersonalized Medicine Builders: Demos, Discussion and Social
Research to the People Patient Hackathons · 81 Langton St, San Francisco
3-hour build with demos.
OpenThe AI Commerce Gallery - Hackathon | Walt Disney Family Museum
AI Valley · San Francisco
12-hour build with judging, demos, team formation, a submission deadline; prizes listed.
OpenPrizes listedThe Multiplayer Coding Hackathon
Coshell · San Francisco
9-hour build with judging, team formation; prizes listed.
ApprovalPrizes listedSupabase Select 2026 Hackathon
Supabase Community Events · Central Waterfront, San Francisco
8-hour build.
OpenOctober 3 Hackathon
Frontier Tower SF · Frontier Tower @ Spaceship 995 Market Street, San Francisco
13-hour build.
OpenDublin Hacx
Emerald High School · SAP Office — San Ramon, CA, San Ramon
12-hour build with a submission deadline; $2,250 prizes.
Check page$2,250 prizesPax Silica Hackathon: SF Tech Week
Builderbase Hackathons · 2 Embarcadero Ctr, San Francisco
3-hour build with demos, team formation.
OpenAI Hackathon: Sales Copilot AI
TatianaSF · Northern Waterfront, San Francisco
8-hour build with judging, demos, team formation; prizes listed.
OpenPrizes listedEveresteer Hedge Fund Hackathon: San Francisco #SFTechWeek
Personal · 11 Pearl St, San Francisco
5-hour build; $1,000 prizes.
Approval$1,000 prizes- Approval
- Open
AI Native Summit - SF TechWeek 2026
PAI Palooza Presents - Build with AI Native Studio - 2026 · 847 Howard St, San Francisco
2-day build with team formation; $25,000 prizes.
Open$25,000 prizes#SFTechWeek - Decision-Grade AI @ Stanford ⚡️ A Buildathon on LLM Trust
ezio · Stanford, California, USA, Stanford
2-hour build with a submission deadline.
Check pageTech Week Hackathon
Frontier Tower SF · Frontier Tower @ Spaceship 995 Market Street, San Francisco
10-hour build.
OpenBuild AI agents that own their inference - #SFTechWeek
[SF] HackerSquad · AWS Builder Loft, 2nd Floor, 525 Market St, SF
9-hour build with judging, demos.
ApprovalCompany Brain Hackathon: Build an AI Agent That Knows Your Organization
TechEquity Ai - Silicon Valley · 135 Constitution Dr, Menlo Park
4-hour build.
OpenAWS Community Day - AI Edition
AWS Community Bay Area · AWS Builder Loft, San Francisco
7-hour build with demos, team formation; $3,200 prizes.
Open$3,200 prizes- ApprovalPrizes listed
- OpenPrizes listed
Maritime Dual-Use Hackathon
Mind the Bridge · Mind the Bridge, San Francisco
2-day build with judging, team formation; prizes listed.
OpenPrizes listedMake Something Agents Want
YC · San Francisco
2-day build with judging, demos, team formation, a submission deadline; $3,000 cash.
Open$3,000 cashArm + ExecuTorch: Edge AI Challenge
arm · San Francisco State University, San Francisco
2-day build with a submission deadline.
Check pageExecuTorch Hackathon
[SF] HackerSquad · Founders, Inc. | San Francisco Lab, San Francisco
2-day build with demos, team formation; prizes listed.
ApprovalPrizes listedUniversal Celebration Hackathon
BondHaus · AWS Builder Loft, San Francisco
11-hour build with demos, team formation.
OpenAI Startup Challenge Hackathon: The Pre-Event of SF AI Summit
Devnovate · San Francisco
10-hour build with judging, demos, team formation, a submission deadline; prizes listed.
ApprovalPrizes listedStartup Sprint: Prove you're fundable
Proving Ground · Palo Alto
3-day build with judging, demos, team formation, a submission deadline.
ApprovalMulti-Model Hackathon @AWS Builders Loft
Beta University Events · San Francisco
9-hour build with judging, demos, team formation; prizes listed.
ApprovalPrizes listed- Check page
Local Align #3 — AI × GTM Growth Hackathon & Social
Local Align · Santa Clara
6-hour build with judging, demos, team formation.
OpenDell x NVIDIA Hackathon
Frontier Tower SF · Frontier Tower @ Spaceship 995 Market Street, San Francisco
10-hour build.
Open- Open
The Builder Base: Buildathon
Devnovate · San Francisco
8-hour build with demos, team formation; prizes listed.
ApprovalPrizes listedNovember 2026
Company Brain Hackathon: Build an AI Agent That Knows Your Organization
TechEquity Ai - Silicon Valley · 135 Constitution Dr, Menlo Park
7-hour build with judging, demos, team formation.
OpenHackStorm 3.0: Sense, Think and Act
HackStorm · San Francisco, California, USA, San Francisco
2-day build with a submission deadline; $5,200 prizes.
Check page$5,200 prizesAI Tutor Hackathon
Beta University Events · Stanford
8-hour build with demos, team formation, a submission deadline; prizes listed.
ApprovalPrizes listed- Open
Festiverse 2026: Diwali Hackathon
Events · Financial District, San Francisco
11-hour build with judging, demos, team formation, a submission deadline; prizes listed.
OpenPrizes listedHackwithBay 4.0
Devnovate · AWS Builder Loft, San Francisco
9-hour build with demos, team formation, a submission deadline; prizes listed.
ApprovalPrizes listedDecember 2026
Mango Hacks
krishay suresh · Zoho Corporation, Pleasanton
13-hour build with judging, a submission deadline.
ApprovalAgentic AI Hackathon 2.0 - SF
Devnovate · AWS Builder Loft, San Francisco
9-hour build with demos, team formation; prizes listed.
ApprovalPrizes listedJanuary 2027
⚕️ SF HealthTech Week 2027 Passport! ⚕️(@ JPM)
⚕️SF HealthTech Week⚕️ Events · San Francisco
7-day build with demos.
Open⚕️ HealthTech Week ⚕️ Startup Pitch Competition (@JPM) in Partnership MedStartr
⚕️SF HealthTech Week⚕️ Events · The Foundry SF, San Francisco
3-hour build with judging, demos.
OpenDeveloperWeek 2027 Hackathon
DevNetwork · Santa Clara Convention Center + Online, Santa Clara
17-day build with a submission deadline; $5,000 prizes.
Check page$5,000 prizesFebruary 2027
Check page