Archived Challenges
Archived challenges are no longer accepting submissions and are included for historical purposes only.
Army xTechSearch
Department of DefenseClosed On: 01/01/2019 02:59 AM
Sediment Removal Techniques for Reservoir Sustainability - Stage 1
Department of the Interior - Bureau of ReclamationClosed On: 01/04/2019 11:59 PM
Spacecraft Engagement Simulation Experiment Challenge
Department of Defense - U.S. Air ForceClosed 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 HealthClosed On: 01/15/2019 05:00 PM
Recycling in Space Challenge
National Aeronautics and Space AdministrationClosed On: 01/16/2019 05:00 PM
Advanced Microelectronics Design & Prototype Challenge
Department of DefenseClosed On: 01/22/2019 11:59 PM
HUD Innovation in Affordable Housing Student Design & Planning Competition 2019
Department of Housing and Urban DevelopmentClosed On: 02/04/2019 12:00 AM
NASA Centennial Challenge CO2 Conversion Challenge phase 1
National Aeronautics and Space AdministrationClosed On: 02/07/2019 06:00 PM
KidneyX: Redesign Dialysis Phase 1
Department of Health and Human ServicesClosed On: 02/28/2019 05:00 PM
Nutrient Sensor Action Challenge Stage II
Environmental Protection AgencyClosed On: 02/28/2019 11:59 PM
IARPA Activity in Extended Videos Prize Challenge
Office of Director of National Intelligence - Intelligence Advanced Research Project ActivityClosed On: 02/28/2019 11:59 PM
NSF We Are Mathematics Video Competition
National Science FoundationClosed On: 02/28/2019 11:59 PM
The Mechanical Eye
National Aeronautics and Space AdministrationClosed On: 03/31/2019 08:00 PM
2019 Million Hearts® Hypertension Control Challenge
Department of Health and Human Services - Centers for Disease Control and PreventionClosed On: 04/01/2019 11:59 PM
Shape of Health - An Obesity Prevention Game
Department of Health and Human ServicesClosed On: 04/07/2019 11:59 PM
EmPOWER Air Data Challenge
Environmental Protection AgencyClosed On: 04/08/2019 11:59 PM
Lowering the Cost of Continuous Streamflow Monitoring - Stage I
Department of the Interior - Bureau of ReclamationClosed On: 04/08/2019 11:59 PM
Saving the 'Ōhiʻa
Department of the InteriorClosed On: 04/09/2019 05:59 AM
Escape Respirator Challenge
Department of Homeland Security - Science and TechnologyClosed On: 04/11/2019 05:00 PM
CASE Challenge
Office of Director of National Intelligence - Intelligence Advanced Research Project ActivityClosed On: 04/14/2019 11:59 PM
ATLAS - Offshore Wind Challenge
Department of Energy - Energy ProgramsClosed On: 04/19/2019 03:05 PM
ATLAS - Onshore Student Competition
Department of Energy - Energy ProgramsClosed On: 04/19/2019 03:05 PM
2019 NIST ARIAC Challenge
Department of Commerce - National Institute of Standards and TechnologyClosed On: 04/19/2019 05:00 PM
Detecting Radiological Threats in Urban Areas
Department of Energy - National Nuclear Security AdministrationClosed On: 04/19/2019 09:00 PM
Haptic Interfaces for Public Safety Challenge
NIST PSCR GroupClosed On: 04/22/2019 12:00 AM
Opioid Detection Challenge
Department of Homeland Security - Science and TechnologyClosed On: 04/24/2019 04:59 PM
Electricity Industry Technology and Practices Innovation Challenge
Department of Energy - Energy ProgramsClosed On: 04/30/2019 08:00 PM
IARPA's Mercury Challenge
Office of Director of National Intelligence - Intelligence Advanced Research Project ActivityClosed On: 04/30/2019 12:00 AM
Artists Inspire Astronauts
National Aeronautics and Space AdministrationClosed On: 04/30/2019 12:00 PM
#SmallBusinessWeek Hackathon 2019
Small Business AdministrationClosed On: 05/05/2019 09:45 AM
Improving Fish Exclusion from Water Diversions and Intakes
Department of the Interior - Bureau of ReclamationClosed 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 HealthClosed On: 05/10/2019 06:00 PM
MagQuest
Department of Defense - National Geospatial Intelligence AgencyClosed On: 05/16/2019 04:59 PM
Differential Privacy Synthetic Data Challenge
Department of Commerce - National Institute of Standards and TechnologyClosed On: 05/20/2019 12:00 AM
FAST Commissioning for Pumped-Storage Hydropower Prize
Department of Energy - Energy ProgramsClosed On: 05/24/2019 05:00 PM
GEAR Center Challenge
General Services AdministrationClosed On: 05/24/2019 5:00 PM
USSOCOM HF Geolocation Algorithm Challenge
Department of DefenseClosed On: 05/27/2019 08:59 PM
DEBUT (Design by Biomedical Undergraduate Teams) - 2019
Department of Health and Human Services - National Institutes of HealthClosed On: 05/31/2019 11:59 PM
Speaking Up About Mental Health! This Is My Story
Department of Health and Human ServicesClosed On: 05/31/2019 11:59 PM
NCATS ASPIRE Design Challenge 1
Department of Health and Human Services - National Institutes of HealthClosed On: 05/31/2019 12:00 PM
NCATS ASPIRE Design Challenge 2
Department of Health and Human Services - National Institutes of HealthClosed On: 05/31/2019 12:00 PM
NCATS ASPIRE Design Challenge 3
Department of Health and Human Services - National Institutes of HealthClosed On: 05/31/2019 12:00 PM
NCATS ASPIRE Design Challenge 4
Department of Health and Human Services - National Institutes of HealthClosed On: 05/31/2019 12:00 PM
NCATS ASPIRE Design Challenge 5
Department of Health and Human Services - National Institutes of HealthClosed On: 05/31/2019 12:00 PM
Visualization Resources of Community-Level Social Determinants of Health Challenge
Agency for Healthcare Research and QualityClosed On: 06/07/2019 05:00 PM
Army XTechSearch 3.0
Department of Defense - U.S. ArmyClosed On: 06/13/2019 02:59 AM
Army xTechSearch 3.0
Department of DefenseClosed On: 06/13/2019 02:59 AM
CMS AI Health Outcomes Challenge
Department of Health and Human Services - Centers for Medicare and Medicaid ServicesClosed On: 06/18/2019 05:00 PM
GSA Hackathon 2019
General Services AdministrationClosed On: 06/19/2019 05:00 PM
Growth Accelerator Fund Competition
Small Business AdministrationClosed On: 06/20/2019 04:59 PM
AHRQ Bringing Predictive Analysis to Healthcare
Department of Health and Human Services - Agency for Healthcare Research and QualityClosed On: 06/28/2019 05:00 PM
iCARE-AD/ADRD
Department of Health and Human Services - National Institutes of HealthClosed On: 06/30/2019 11:59 PM
MaTCH Pilot Competition
Small Business AdministrationClosed On: 07/08/2019 11:59 PM
USMC Knee and Elbow Pad Innovation
Department of Defense - U.S. Marine CorpsClosed On: 07/12/2019 11:59 PM
Cinespace Film Competition
National Aeronautics and Space AdministrationClosed On: 07/15/2019 11:59 PM
American-Made Solar Prize Round 2
Department of Energy - Energy ProgramsClosed On: 07/16/2019 2:00 PM
NASA Advanced Exploration Systems Modular Power System Graphic Challenge
National Aeronautics and Space AdministrationClosed On: 07/22/2019 08:00 PM
Develop a Template & Production Process Instructions for an HTML-Based Newsletter
National Aeronautics and Space AdministrationClosed On: 07/26/2019 08:00 PM
Advanced Septic System Nitrogen Sensor Challenge Phase II Prototype Development and Testing
Environmental Protection AgencyClosed On: 07/26/2019 11:59 PM
NSF Career Compass Challenge
National Science FoundationClosed On: 07/26/2019 11:59 PM
Atmospherics Generator Challenge
Department of Defense - U.S. Air ForceClosed On: 07/31/2019 12:59 AM
Lithium-Ion Battery Recycling Prize
Department of Energy - Energy ProgramsClosed On: 08/01/2019 04:00 PM
MGMWERX Library Challenge
Department of Defense - U.S. Air ForceClosed On: 08/05/2019 12:59 AM
Storyboard Animations for NASA Human Research Program
National Aeronautics and Space AdministrationClosed On: 08/09/2019 8:00 AM
Design the Navigation Lidar (NDL) Graphic
National Aeronautics and Space AdministrationClosed On: 08/16/2019 11:59 PM
The FedRAMP Ideation Challenge
General Services AdministrationClosed On: 08/22/2019 05:00 PM
MagQuest Phase 2
Department of Defense - National Geospatial Intelligence AgencyClosed On: 08/28/2019 04:59 PM
PINS Challenge
Office of Director of National Intelligence - Intelligence Advanced Research Project ActivityClosed On: 08/30/2019 11:59 PM
HACKtheMACHINE New York
Department of Defense - Naval Sea Systems CommandClosed On: 09/05/2019 12:00 AM
Design the Human Factors Engineering Lab (HFEL) Graphic
National Aeronautics and Space AdministrationClosed On: 09/06/2019 11:59 PM
Full Ocean Depth Challenge
Department of DefenseClosed On: 09/12/2019 2:00 PM
Solar District Cup
Department of EnergyClosed On: 09/12/2019 5:00 PM
MUX Mission System Airborne Early Warning (AEW) Payload Prize Challenge
Department of DefenseClosed On: 09/23/2019 11:59 PM
MUX Mission System Data Relay (DR) Payload Prize Challenge
Department of DefenseClosed On: 09/23/2019 11:59 PM
MUX Electronic Warfare (EW) Payload Prize Challenge
Department of DefenseClosed On: 09/23/2019 11:59 PM
MUX Mission System Intelligence, Surveillance, and Reconnaissance (ISR) Payload Prize Challenge
Department of DefenseClosed On: 09/23/2019 11:59 PM
Artificial Intelligence Applications to Autonomous Cybersecurity (AI ATAC) Challenge
Department of Defense - Naval Information Warfare Systems CommandClosed On: 09/30/2019 05:00 PM
NASA Vascular Tissue Challenge
National Aeronautics and Space AdministrationClosed On: 09/30/2019 11:00 PM
2019 Campus RainWorks Challenge
Environmental Protection AgencyClosed On: 09/30/2019 11:59 PM
Find the Killer Frog Fungus
Department of the InteriorClosed On: 10/01/2019 12:00 AM
Resilient, Inclusive, & Sustainable Environments (RISE)
U.S. Agency for International DevelopmentClosed On: 10/08/2019 11:00 AM
PMA-263 Tactical Resupply UAS Challenge
Department of DefenseClosed On: 10/18/2019 11:59 PM
Virtual Reality Air and Space Operations Center (AOC) Design Challenge
Department of Defense - Air ForceClosed On: 10/18/2019 12:59 AM
Expanding the SIM Card Use for Public Safety Challenge
Department of Commerce - National Institute of Standards and TechnologyClosed On: 10/19/2019
The Opportunity Project Prize Challenge
U.S. Census BureauClosed On: 11/01/2019 11:59 PM
Self-Healing Material System
Department of DefenseClosed On: 11/05/2019 02:00 PM
Adverse Marine Effects
Department of DefenseClosed On: 11/05/2019 02:00 PM
Solar Decathlon 2020 Design Challenge
Department of Energy - Energy ProgramsClosed On: 11/05/2019 5:00 PM
Army Expeditionary Technology Search (xTechSearch) 4.0
Department of Defense - U.S. ArmyClosed On: 11/12/2019 02:59 AM
2019 Secretary's RAISE Award
Department of TransportationClosed On: 11/15/2019 12:00 PM
Tech to Protect Challenge
Department of Commerce - National Institute of Standards and TechnologyClosed On: 11/16/2019 03:00 AM
Geopolitical Forecasting Challenge 2
Office of Director of National Intelligence - Intelligence Advanced Research Project ActivityClosed On: 11/19/2019 02:01 PM
Safeguard with Autonomous Navigation Demonstration
National Aeronautics and Space AdministrationClosed On: 11/30/2019 11:59 PM
American-Made Solar Prize Round 3
Department of Energy - Energy ProgramsClosed On: 12/10/2019 02:00 PM
Space Robotics Challenge Phase 2
National Aeronautics and Space AdministrationClosed On: 12/20/2019 6:00 PM
DIU’s xVIEW2 - Assessing Building Damage
Department of DefenseClosed 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 ServiceClosed On: 12/31/2019 11:59 pm