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

Gun Safety Matters Challenge
Department of Veterans AffairsClosed On: 01/08/2018 12:00 AM

The Healthy Behavior Data Challenge
Centers for Disease Control and PreventionClosed On: 01/15/2018 12:00 AM

PerfLoc Prize Competition
Department of Commerce - National Institute of Standards and TechnologyClosed On: 01/17/2018 05:00 PM

Virtual Reality Heads-Up-Display Navigation Challenge
Department of Commerce - National Institute of Standards and TechnologyClosed On: 01/29/2018 09:00 PM

The Unmanned Aerial Systems Flight and Payload Challenge
Department of Commerce - National Institute of Standards and TechnologyClosed On: 01/29/2018 09:00 PM

NASA Earth & Space Air Prize
National Aeronautics and Space AdministrationClosed On: 01/31/2018 06:00 PM

Fishackathon
International Assistance Programs - Department of State - OtherClosed On: 02/11/2018 12:00 AM

The VA PseudoVet Challenge
Department of Veterans AffairsClosed On: 02/14/2018 12:00 AM

TRANSPORTATION TECHNOLOGY TOURNAMENT
Department of TransportationClosed On: 02/15/2018 12:00 AM

Eradication of Invasive Mussels in Open Water - Stage 1
Department of the Interior - Bureau of ReclamationClosed On: 02/28/2018 12:00 AM

Congressional Data Competition
Legislative Branch - Library of CongressClosed On: 04/02/2018 11:59 PM

2018 CEC Youth Innovation Challenge
Environmental Protection AgencyClosed On: 04/03/2018 12:00 AM

2018 Million Hearts Hypertension Control Challenge
Centers for Disease Control and PreventionClosed On: 04/06/2018 11:59 PM

Secure API Server Showdown Challenge
Department of Health and Human ServicesClosed On: 04/09/2018 11:59 PM

Creating Hope in Conflict - A Humanitarian Grand Challenge
U.S. Agency for International DevelopmentClosed On: 04/12/2018 11:30 AM

The Vizzies: Visualization Challenge
National Science FoundationClosed On: 04/15/2018 11:59 PM

UG2 Prize Challenge
Office of Director of National Intelligence - Intelligence Advanced Research Project ActivityClosed On: 04/15/2018 11:59 PM

2018 RAMP - Reusable Abstractions of Manufacturing Processes
Department of Commerce - National Institute of Standards and TechnologyClosed On: 04/21/2018 03:00 AM

#SmallBusinessWeek Hackathon
Small Business AdministrationClosed On: 04/29/2018 01:30 PM

U.S Cyber Challenge
Department of Homeland Security - Science and TechnologyClosed On: 04/30/2018 11:59 PM

Spectrum Collaboration Challenge
Department of DefenseClosed On: 04/30/2018 12:00 AM

Disguised Faces in the Wild Competition
Office of Director of National Intelligence - Intelligence Advanced Research Project ActivityClosed On: 05/01/2018 11:59 PM

Sub-Seasonal Climate Forecast Rodeo
Department of the Interior - Bureau of ReclamationClosed On: 05/03/2018 12:00 AM

Detecting Leaks and Flaws in Water Pipelines - Stage 1
Department of the Interior - Bureau of ReclamationClosed On: 05/07/2018 12:00 AM

ARIAC
Department of Commerce - National Institute of Standards and TechnologyClosed On: 05/17/2018 05:00 PM

Design by Biomedical Undergraduate Teams (DEBUT) Challenge 2018
Department of Health and Human Services - National Institutes of HealthClosed On: 05/31/2018 11:59 PM

2018 Excellence in AmeriCorps Awards
Corporation for National and Community ServiceClosed On: 06/13/2018 11:00 PM

NSF WINS Wireless Challenges
National Science FoundationClosed On: 06/30/2018 11:59 PM

xView Detection Challenge
Department of DefenseClosed On: 07/08/2018 11:59 PM

The Secretary's RAISE Award for 2018
Department of Transportation - Federal Aviation AdministrationClosed On: 07/09/2018 11:59 PM

Army Expeditionary Technology Search (xTechSearch)
Department of DefenseClosed On: 07/12/2018 12:00 AM

Solving for Safety Visualization Challenge
Department of TransportationClosed On: 07/31/2018 11:59 PM

CineSpace 2018
National Aeronautics and Space AdministrationClosed On: 08/01/2018 12:00 AM

The Unlinkable Data Challenge - Advancing Methods in Differential Privacy
Department of Commerce - National Institute of Standards and TechnologyClosed On: 08/02/2018 05:00 PM

2018 Innovations in Food and Agricultural Science and Technology (I-FAST) Prize Competition
Department of Agriculture - National Institute of Food and AgricultureClosed On: 08/03/2018 11:59 PM

Fusion of Face Recognition Algorithms
Office of Director of National Intelligence - Intelligence Advanced Research Project ActivityClosed On: 08/06/2018 11:59 PM

Reimagining the Higher Ed Ecosystem
Department of EducationClosed On: 08/08/2018 04:15 PM

Pathogen Monitoring for Potable Water Reuse - Stage 1
Department of the Interior - Bureau of ReclamationClosed On: 08/09/2018 12:00 AM

Human Rated Spacecraft 3D Printing Process Animation
National Aeronautics and Space AdministrationClosed On: 08/10/2018 12:00 AM

Army Signal Classification Challenge
Department of DefenseClosed On: 08/13/2018 12:00 AM

Boldline Religious Freedom
Department of State / Boldline AcceleratorClosed On: 08/23/2018 12:00 AM

Project Mars Competition
National Aeronautics and Space AdministrationClosed On: 08/31/2018 11:59 PM

Air Force Turbine Prize
Department of DefenseClosed On: 09/01/2018 04:00 PM

Antimicrobial Resistance Rapid Point of Care Diagnostic Letter of Intent
National Institutes of HealthClosed On: 09/04/2018 11:59 PM

Geopolitical Forecasting Challenge
Office of Director of National Intelligence - Intelligence Advanced Research Project ActivityClosed On: 09/07/2018 02:00 PM

Rapid Image Colorization
Department of Defense - National Geospatial Intelligence AgencyClosed On: 09/09/2018 12:00 AM

AHRQ Step Up App Challenge
Agency for Healthcare Research and QualityClosed On: 09/24/2018 11:59 PM

Preventing Childhood Obesity
Department of Health and Human Services - Health Resources and Services AdministrationClosed On: 09/24/2018 12:00 AM

2018 Campus RainWorks Challenge
Environmental Protection AgencyClosed On: 09/30/2018 11:59 PM

American-Made Solar Challenge
Department of Energy - Energy ProgramsClosed On: 10/05/2018 11:59 PM

U.S. Coast Guard Ready for Rescue Challenge
Department of Homeland Security - Science and TechnologyClosed On: 10/15/2018 04:59 PM

Easy EHR Issue Reporting Challenge
Department of Health and Human ServicesClosed On: 10/15/2018 11:00 PM

The NSF 2026 Idea Machine
National Science FoundationClosed On: 10/26/2018 11:59 PM

CHPL Data Challenge
Department of Health and Human ServicesClosed On: 10/31/2018 04:00 PM

Consumers Combat Counterfeits
Department of Commerce - U.S. Patent and Trademark OfficeClosed On: 10/31/2018 11:59 PM

NASA ISS RFID Localization Challenge
National Aeronautics and Space AdministrationClosed On: 10/31/2018 11:59 PM

NCATS Rare Diseases Are Not Rare! Challenge
Department of Health and Human Services - National Institutes of HealthClosed On: 10/31/2018 12:00 AM

Care Coordination for Children with Special Health Care Needs (CSHCN) Challenge
Department of Health and Human Services - Health Resources and Services AdministrationClosed On: 11/09/2018 08:00 PM

Next Generation Animal Tracking Ideation Challenge
National Aeronautics and Space AdministrationClosed On: 11/11/2018 05:00 PM

Agriculture Field Delineation from Satellite Imagery
Department of Defense - National Geospatial Intelligence AgencyClosed On: 11/19/2018 05:00 PM

Don't Blow It! Safely Eliminating Chemical and Biological Munitions on the Battlefield
Department of DefenseClosed On: 11/19/2018 05:00 PM

Addressing Opioid Use Disorder in Pregnant Women and New Moms
Department of Health and Human Services - Health Resources and Services AdministrationClosed On: 12/03/2018 08:00 PM

Powering Electronic Instruments on a Rotating Shaft
Department of the Interior - Bureau of ReclamationClosed On: 12/06/2018 11:59 PM

Remote Pregnancy Monitoring Challenge
Department of Health and Human Services - Health Resources and Services AdministrationClosed On: 12/07/2018 08:00 PM

DARPA Launch Challenge
Department of DefenseClosed On: 12/14/2018 12:00 AM

Centennial Challenges Program Cube Quest Challenge
National Aeronautics and Space AdministrationClosed On: 12/31/2018 12:00 AM