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Archived Challenges

Archived challenges are no longer accepting submissions and are included for historical purposes only.

Army xTechSearch

Department of Defense

Closed On: 01/01/2019 02:59 AM

Sediment Removal Techniques for Reservoir Sustainability - Stage 1

Department of the Interior - Bureau of Reclamation

Closed On: 01/04/2019 11:59 PM

Spacecraft Engagement Simulation Experiment Challenge

Department of Defense - U.S. Air Force

Closed On: 01/05/2019 12:59 AM

2018 "$100,000 for Start a SUD Startup" Challenge

Department of Health and Human Services - National Institutes of Health

Closed On: 01/15/2019 05:00 PM

Recycling in Space Challenge

National Aeronautics and Space Administration

Closed On: 01/16/2019 05:00 PM

Advanced Microelectronics Design & Prototype Challenge

Department of Defense

Closed On: 01/22/2019 11:59 PM

HUD Innovation in Affordable Housing Student Design & Planning Competition 2019

Department of Housing and Urban Development

Closed On: 02/04/2019 12:00 AM

NASA Centennial Challenge CO2 Conversion Challenge phase 1

National Aeronautics and Space Administration

Closed On: 02/07/2019 06:00 PM

KidneyX: Redesign Dialysis Phase 1

Department of Health and Human Services

Closed On: 02/28/2019 05:00 PM

Nutrient Sensor Action Challenge Stage II

Environmental Protection Agency

Closed On: 02/28/2019 11:59 PM

IARPA Activity in Extended Videos Prize Challenge

Office of Director of National Intelligence - Intelligence Advanced Research Project Activity

Closed On: 02/28/2019 11:59 PM

NSF We Are Mathematics Video Competition

National Science Foundation

Closed On: 02/28/2019 11:59 PM

The Mechanical Eye

National Aeronautics and Space Administration

Closed On: 03/31/2019 08:00 PM

2019 Million Hearts® Hypertension Control Challenge

Department of Health and Human Services - Centers for Disease Control and Prevention

Closed On: 04/01/2019 11:59 PM

Shape of Health - An Obesity Prevention Game

Department of Health and Human Services

Closed On: 04/07/2019 11:59 PM

EmPOWER Air Data Challenge

Environmental Protection Agency

Closed On: 04/08/2019 11:59 PM

Lowering the Cost of Continuous Streamflow Monitoring - Stage I

Department of the Interior - Bureau of Reclamation

Closed On: 04/08/2019 11:59 PM

Saving the 'Ōhiʻa

Department of the Interior

Closed On: 04/09/2019 05:59 AM

Escape Respirator Challenge

Department of Homeland Security - Science and Technology

Closed On: 04/11/2019 05:00 PM

CASE Challenge

Office of Director of National Intelligence - Intelligence Advanced Research Project Activity

Closed On: 04/14/2019 11:59 PM

ATLAS - Offshore Wind Challenge

Department of Energy - Energy Programs

Closed On: 04/19/2019 03:05 PM

ATLAS - Onshore Student Competition

Department of Energy - Energy Programs

Closed On: 04/19/2019 03:05 PM

2019 NIST ARIAC Challenge

Department of Commerce - National Institute of Standards and Technology

Closed On: 04/19/2019 05:00 PM

Detecting Radiological Threats in Urban Areas

Department of Energy - National Nuclear Security Administration

Closed On: 04/19/2019 09:00 PM

Haptic Interfaces for Public Safety Challenge

NIST PSCR Group

Closed On: 04/22/2019 12:00 AM

Opioid Detection Challenge

Department of Homeland Security - Science and Technology

Closed On: 04/24/2019 04:59 PM

Electricity Industry Technology and Practices Innovation Challenge

Department of Energy - Energy Programs

Closed On: 04/30/2019 08:00 PM

IARPA's Mercury Challenge

Office of Director of National Intelligence - Intelligence Advanced Research Project Activity

Closed On: 04/30/2019 12:00 AM

Artists Inspire Astronauts

National Aeronautics and Space Administration

Closed On: 04/30/2019 12:00 PM

#SmallBusinessWeek Hackathon 2019

Small Business Administration

Closed On: 05/05/2019 09:45 AM

Improving Fish Exclusion from Water Diversions and Intakes

Department of the Interior - Bureau of Reclamation

Closed On: 05/06/2019 11:59 PM

"$100,000 for Start a SUD Startup 2019" Challenge

Department of Health and Human Services - National Institutes of Health

Closed On: 05/10/2019 06:00 PM

MagQuest

Department of Defense - National Geospatial Intelligence Agency

Closed On: 05/16/2019 04:59 PM

Differential Privacy Synthetic Data Challenge

Department of Commerce - National Institute of Standards and Technology

Closed On: 05/20/2019 12:00 AM

FAST Commissioning for Pumped-Storage Hydropower Prize

Department of Energy - Energy Programs

Closed On: 05/24/2019 05:00 PM

GEAR Center Challenge

General Services Administration

Closed On: 05/24/2019 5:00 PM

USSOCOM HF Geolocation Algorithm Challenge

Department of Defense

Closed On: 05/27/2019 08:59 PM

DEBUT (Design by Biomedical Undergraduate Teams) - 2019

Department of Health and Human Services - National Institutes of Health

Closed On: 05/31/2019 11:59 PM

Speaking Up About Mental Health! This Is My Story

Department of Health and Human Services

Closed On: 05/31/2019 11:59 PM

NCATS ASPIRE Design Challenge 1

Department of Health and Human Services - National Institutes of Health

Closed On: 05/31/2019 12:00 PM

NCATS ASPIRE Design Challenge 2

Department of Health and Human Services - National Institutes of Health

Closed On: 05/31/2019 12:00 PM

NCATS ASPIRE Design Challenge 3

Department of Health and Human Services - National Institutes of Health

Closed On: 05/31/2019 12:00 PM

NCATS ASPIRE Design Challenge 4

Department of Health and Human Services - National Institutes of Health

Closed On: 05/31/2019 12:00 PM

NCATS ASPIRE Design Challenge 5

Department of Health and Human Services - National Institutes of Health

Closed On: 05/31/2019 12:00 PM

Visualization Resources of Community-Level Social Determinants of Health Challenge

Agency for Healthcare Research and Quality

Closed On: 06/07/2019 05:00 PM

Army XTechSearch 3.0

Department of Defense - U.S. Army

Closed On: 06/13/2019 02:59 AM

Army xTechSearch 3.0

Department of Defense

Closed On: 06/13/2019 02:59 AM

CMS AI Health Outcomes Challenge

Department of Health and Human Services - Centers for Medicare and Medicaid Services

Closed On: 06/18/2019 05:00 PM

GSA Hackathon 2019

General Services Administration

Closed On: 06/19/2019 05:00 PM

Growth Accelerator Fund Competition

Small Business Administration

Closed On: 06/20/2019 04:59 PM

AHRQ Bringing Predictive Analysis to Healthcare

Department of Health and Human Services - Agency for Healthcare Research and Quality

Closed On: 06/28/2019 05:00 PM

iCARE-AD/ADRD

Department of Health and Human Services - National Institutes of Health

Closed On: 06/30/2019 11:59 PM

MaTCH Pilot Competition

Small Business Administration

Closed On: 07/08/2019 11:59 PM

USMC Knee and Elbow Pad Innovation

Department of Defense - U.S. Marine Corps

Closed On: 07/12/2019 11:59 PM

Cinespace Film Competition

National Aeronautics and Space Administration

Closed On: 07/15/2019 11:59 PM

American-Made Solar Prize Round 2

Department of Energy - Energy Programs

Closed On: 07/16/2019 2:00 PM

NASA Advanced Exploration Systems Modular Power System Graphic Challenge

National Aeronautics and Space Administration

Closed On: 07/22/2019 08:00 PM

Develop a Template & Production Process Instructions for an HTML-Based Newsletter

National Aeronautics and Space Administration

Closed On: 07/26/2019 08:00 PM

Advanced Septic System Nitrogen Sensor Challenge Phase II Prototype Development and Testing

Environmental Protection Agency

Closed On: 07/26/2019 11:59 PM

NSF Career Compass Challenge

National Science Foundation

Closed On: 07/26/2019 11:59 PM

Atmospherics Generator Challenge

Department of Defense - U.S. Air Force

Closed On: 07/31/2019 12:59 AM

Lithium-Ion Battery Recycling Prize

Department of Energy - Energy Programs

Closed On: 08/01/2019 04:00 PM

MGMWERX Library Challenge

Department of Defense - U.S. Air Force

Closed On: 08/05/2019 12:59 AM

Storyboard Animations for NASA Human Research Program

National Aeronautics and Space Administration

Closed On: 08/09/2019 8:00 AM

Design the Navigation Lidar (NDL) Graphic

National Aeronautics and Space Administration

Closed On: 08/16/2019 11:59 PM

The FedRAMP Ideation Challenge

General Services Administration

Closed On: 08/22/2019 05:00 PM

MagQuest Phase 2

Department of Defense - National Geospatial Intelligence Agency

Closed On: 08/28/2019 04:59 PM

PINS Challenge

Office of Director of National Intelligence - Intelligence Advanced Research Project Activity

Closed On: 08/30/2019 11:59 PM

HACKtheMACHINE New York

Department of Defense - Naval Sea Systems Command

Closed On: 09/05/2019 12:00 AM

Design the Human Factors Engineering Lab (HFEL) Graphic

National Aeronautics and Space Administration

Closed On: 09/06/2019 11:59 PM

Full Ocean Depth Challenge

Department of Defense

Closed On: 09/12/2019 2:00 PM

Solar District Cup

Department of Energy

Closed On: 09/12/2019 5:00 PM

MUX Mission System Airborne Early Warning (AEW) Payload Prize Challenge

Department of Defense

Closed On: 09/23/2019 11:59 PM

MUX Mission System Data Relay (DR) Payload Prize Challenge

Department of Defense

Closed On: 09/23/2019 11:59 PM

MUX Electronic Warfare (EW) Payload Prize Challenge

Department of Defense

Closed On: 09/23/2019 11:59 PM

MUX Mission System Intelligence, Surveillance, and Reconnaissance (ISR) Payload Prize Challenge

Department of Defense

Closed On: 09/23/2019 11:59 PM

Artificial Intelligence Applications to Autonomous Cybersecurity (AI ATAC) Challenge

Department of Defense - Naval Information Warfare Systems Command

Closed On: 09/30/2019 05:00 PM

NASA Vascular Tissue Challenge

National Aeronautics and Space Administration

Closed On: 09/30/2019 11:00 PM

2019 Campus RainWorks Challenge

Environmental Protection Agency

Closed On: 09/30/2019 11:59 PM

Find the Killer Frog Fungus

Department of the Interior

Closed On: 10/01/2019 12:00 AM

Resilient, Inclusive, & Sustainable Environments (RISE)

U.S. Agency for International Development

Closed On: 10/08/2019 11:00 AM

PMA-263 Tactical Resupply UAS Challenge

Department of Defense

Closed On: 10/18/2019 11:59 PM

Virtual Reality Air and Space Operations Center (AOC) Design Challenge

Department of Defense - Air Force

Closed On: 10/18/2019 12:59 AM

Expanding the SIM Card Use for Public Safety Challenge

Department of Commerce - National Institute of Standards and Technology

Closed On: 10/19/2019

The Opportunity Project Prize Challenge

U.S. Census Bureau

Closed On: 11/01/2019 11:59 PM

Self-Healing Material System

Department of Defense

Closed On: 11/05/2019 02:00 PM

Adverse Marine Effects

Department of Defense

Closed On: 11/05/2019 02:00 PM

Solar Decathlon 2020 Design Challenge

Department of Energy - Energy Programs

Closed On: 11/05/2019 5:00 PM

Army Expeditionary Technology Search (xTechSearch) 4.0

Department of Defense - U.S. Army

Closed On: 11/12/2019 02:59 AM

2019 Secretary's RAISE Award

Department of Transportation

Closed On: 11/15/2019 12:00 PM

Tech to Protect Challenge

Department of Commerce - National Institute of Standards and Technology

Closed On: 11/16/2019 03:00 AM

Geopolitical Forecasting Challenge 2

Office of Director of National Intelligence - Intelligence Advanced Research Project Activity

Closed On: 11/19/2019 02:01 PM

Safeguard with Autonomous Navigation Demonstration

National Aeronautics and Space Administration

Closed On: 11/30/2019 11:59 PM

American-Made Solar Prize Round 3

Department of Energy - Energy Programs

Closed On: 12/10/2019 02:00 PM

Space Robotics Challenge Phase 2

National Aeronautics and Space Administration

Closed On: 12/20/2019 6:00 PM

DIU’s xVIEW2 - Assessing Building Damage

Department of Defense

Closed On: 12/31/2019 11:59 PM

White-Nose Syndrome - Fight the Fungus, Save Our Bats

Department of the Interior - U.S. Fish and Wildlife Service

Closed On: 12/31/2019 11:59 pm