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The Bay Area hackathon calendar

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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.

70 hackathons listed nowLast checked September 9 at 11:26 AM

What’s coming up

  1. September 2026

    The CAD Challenge 2026

    The CAD Challenge · University of California, Berkeley

    3-day build with a submission deadline; $750 prizes.

    Check page$750 prizes

  5. AI Infra Summit Hackathon

    lablab.ai Events · Santa Clara Convention Center, Santa Clara

    3-day build with judging, demos, team formation; prizes listed.

    OpenPrizes listed

  6. MantisGrid AI Hackathon & Summit 2026

    MantisGrid AI · Mitchell Park Community Center, Palo Alto

    10-hour build with judging, demos, team formation, a submission deadline; $10,000 cash.

    Open$10,000 cash

  8. Night Hack by Founders, Inc.

    Founders, Inc. Events · San Francisco

    7-hour build with judging, demos, team formation; prizes listed.

    ApprovalPrizes listed

  9. Dream AI Hackathon 2026

    LIKELION US · Frontier Tower 🧑‍🚀, San Francisco

    12-hour build with judging, team formation, a submission deadline; $50 prizes.

    Open$50 prizes

  10. TrueFoundry Agent Harness Hackathon

    [SF] HackerSquad · 3120 Scott Blvd, Santa Clara

    11-hour build with judging, demos, team formation, a submission deadline.

    Open

  11. SVYCA Youth for Earth (Y4E) Hackathon

    Silicon Valley Youth Climate Action · Stanford University, Stanford

    29-day build with a submission deadline; $2,700 prizes.

    Check page$2,700 prizes

  13. Alpaca x Conviction Trading Hackathon

    Frontier Tower SF · Frontier Tower @ Spaceship 995 Market Street, San Francisco

    4-hour build with demos, team formation; $2,000 prizes.

    Approval$2,000 prizes

  14. SF Enterprise Hackathon 2.0

    Devnovate · San Francisco

    8-hour build with judging, demos, team formation; prizes listed.

    ApprovalPrizes listed

  16. Long Horizon Agents Hackathon

    tokens& · San Francisco

    10-hour build with judging, demos, team formation, a submission deadline.

    Open

  17. Long Horizon Agents Hackathon

    tokens& · San Francisco

    10-hour build with judging, demos, team formation, a submission deadline.

    Approval

  20. Showerhacks

    Showerhacks · Entrepreneurs First, San Francisco

    13-hour build with team formation.

    Open

  21. Healthcare AI Hackathon

    Personal · AWS Builder Loft, San Francisco

    7-hour build with demos, team formation; $5,000 cash.

    Approval$5,000 cash

  23. Bitrig Hacks: iPhone 18 Edition

    Y Combinator · San Francisco

    8-hour build with judging, demos, team formation; prizes listed.

    OpenPrizes listed

  26. The AI Conference Hack Day 2026

    [SF] HackerSquad · Mission Bay, San Francisco

    10-hour build with demos, team formation; prizes listed.

    OpenPrizes listed

  29. October 2026

  32. The AI Commerce Gallery - Hackathon

    AI Valley · San Francisco

    12-hour build with judging, demos, team formation, a submission deadline; prizes listed.

    OpenPrizes listed

  33. October 3 Hackathon

    Frontier Tower SF · Frontier Tower @ Spaceship 995 Market Street, San Francisco

    13-hour build.

    Open

  34. Dublin 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 prizes

  36. AI Hackathon: Sales Copilot AI

    TatianaSF · Northern Waterfront, San Francisco

    8-hour build with judging, demos, team formation; prizes listed.

    OpenPrizes listed

  38. Cyberdefense Hackathon

    tokens& · San Francisco

    10-hour build with judging, demos, team formation, a submission deadline; prizes listed.

    ApprovalPrizes listed

  39. AI Native Summit - SF TechWeek 2026

    PAI Palooza Presents - Build with AI Native Studio - 2026 · 847 Howard St, San Francisco

    2-day build with demos, team formation; $50,000 cash.

    Open$50,000 cash

  40. Tech Week Hackathon

    Frontier Tower SF · Frontier Tower @ Spaceship 995 Market Street, San Francisco

    10-hour build.

    Open

  42. De Anza Hackathon 5.0

    De Anza Hacks · De Anza College, Cupertino

    2-day build; prizes listed.

    OpenPrizes listed

  47. Dell x NVIDIA Hackathon

    Frontier Tower SF · Frontier Tower @ Spaceship 995 Market Street, San Francisco

    10-hour build.

    Open

  48. November 2026

    HackStorm 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 prizes

  49. AI Tutor Hackathon

    Beta University Events · Stanford

    8-hour build with demos, team formation, a submission deadline; prizes listed.

    ApprovalPrizes listed

  50. FutureForge Hacks

    FutureForge Hacks · Zoho Corporation, Pleasanton

    13-hour build.

    Open

  51. Festiverse 2026: Diwali Hackathon

    Events · Financial District, San Francisco

    11-hour build with judging, demos, team formation, a submission deadline; prizes listed.

    OpenPrizes listed

  52. HackwithBay 4.0

    Devnovate · AWS Builder Loft, San Francisco

    9-hour build with demos, team formation, a submission deadline; prizes listed.

    ApprovalPrizes listed

  53. December 2026

    Mango Hacks

    krishay suresh · Zoho Corporation, Pleasanton

    13-hour build with judging, a submission deadline.

    Approval

  54. Agentic AI Hackathon 2.0 - SF

    Devnovate · AWS Builder Loft, San Francisco

    9-hour build with demos, team formation; prizes listed.

    ApprovalPrizes listed

  55. January 2027

  57. DeveloperWeek 2027 Hackathon

    DevNetwork · Santa Clara Convention Center + Online, Santa Clara

    17-day build with a submission deadline.

    Check page

  58. February 2027

    SF Hacks

    Major League Hacking · San Francisco

    3-day build.

    Check page