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Archived Challenges

Archived challenges are no longer accepting submissions and are included for historical purposes only. Currently we are displaying recently closed challenges through 2016. Additional challenges will be included at a future date.

NIJ Randomized Controlled Trial Challenge in Criminal Justice Agencies

Department of Justice - Office of Justice Programs

Closed On: 01/04/2016 12:00 PM

Gun Safety Technology Challenge

Department of Justice - Office of Justice Programs

Closed On: 01/05/2016 11:59 PM

Sample Return Robot Challenge

National Aeronautics and Space Administration

Closed On: 01/07/2016 12:00 AM

Healthcare-Associated Venous Thromboembolism (HA-VTE) Prevention Challenge

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

Closed On: 01/10/2016 11:59 PM

Up For A Challenge (U4C) – Stimulating Innovation in Breast Cancer Genetic Epidemiology

Department of Health and Human Services - National Institutes of Health

Closed On: 01/15/2016 08:00 PM

Nutrient Recycling Challenge

Environmental Protection Agency

Closed On: 01/15/2016 11:59 PM

Asteroid Grand Challenge Video

National Aeronautics and Space Administration

Closed On: 01/29/2016 12:00 AM

The NIEHS Climate Change and Environmental Exposures Challenge

Department of Health and Human Services

Closed On: 02/02/2016 09:00 AM

Generation Nano - Small Science, Superheroes

National Science Foundation

Closed On: 02/02/2016 11:59 PM

Free Flyer Robotic Arm System Architecture Contest

National Aeronautics and Space Administration

Closed On: 02/05/2016 12:00 AM

Federal Maritime Commission (FMC) Chairman's Earth Day Award

Federal Maritime Commission

Closed On: 02/10/2016 11:00 AM

Improving NASA Enterprise Search Capabilities

National Aeronautics and Space Administration

Closed On: 02/10/2016 12:00 AM

Lean for Main Street Training Challenge

Small Business Administration

Closed On: 02/11/2016 09:00 AM

Environmentally Friendly Replacement for Buoy Mooring Systems

Department of Homeland Security - Science and Technology

Closed On: 02/12/2016 11:59 PM

Sky for All: Air Mobility for 2035 and Beyond

National Aeronautics and Space Administration

Closed On: 02/26/2016 12:00 AM

The Open Science Prize

Department of Health and Human Services - National Institutes of Health

Closed On: 02/29/2016 05:00 PM

Algorithm for Real-Time Parallax Correction

Department of Defense

Closed On: 02/29/2016 11:59 PM

USDA E.A.T. School Lunch UX Challenge

Department of Agriculture - Food and Nutrition Service

Closed On: 03/01/2016 05:00 PM

Visualize Your Water

Environmental Protection Agency

Closed On: 03/01/2016 08:00 PM

Robonaut Vision Tool Manipulation Challenge

National Aeronautics and Space Administration

Closed On: 03/08/2016 12:00 AM

MTConnectStudentIdeas

Department of Defense

Closed On: 03/15/2016 12:00 PM

2016 TRI University Challenge

Environmental Protection Agency

Closed On: 03/27/2016 11:59 PM

My Preparedness Story - Staying Healthy and Resilient

Department of Health and Human Services - Office of the Assistant Secretary for Preparedness and Response

Closed On: 03/28/2016 11:00 PM

DREAMS Innovation Challenge

International Assistance Programs - Department of State - Other

Closed On: 03/28/2016 12:00 AM

Materials Science and Engineering Data Challenge

Department of Defense - Air Force Research Lab

Closed On: 03/31/2016 11:59 PM

CTE Makeover Challenge

Department of Education

Closed On: 04/01/2016 12:00 AM

Transform Tox Testing Challenge Stage 1

Environmental Protection Agency

Closed On: 04/08/2016 12:00 AM

NASA Experiment Attachment System (EAS) Challenge

National Aeronautics and Space Administration

Closed On: 04/10/2016 11:00 PM

NASA In-Space Manufacturing Logo Challenge

National Aeronautics and Space Administration

Closed On: 04/14/2016 12:00 AM

Government-wide Earth Day Hackathon

General Services Administration

Closed On: 04/22/2016 04:30 PM

Addiction Research - There’s an App for that

Department of Health and Human Services - Food and Drug Administration

Closed On: 04/29/2016 11:59 PM

Future Engineers Star Trek Replicator Challenge

National Aeronautics and Space Administration

Closed On: 05/01/2016 11:59 PM

Memorials for the Future

Department of the Interior - National Park Service

Closed On: 05/04/2016 11:59 PM

Tax Design Challenge

Department of the Treasury - Internal Revenue Service

Closed On: 05/10/2016 11:59 AM

Detecting Soil Movement in Embankments

Department of the Interior - Bureau of Reclamation

Closed On: 05/10/2016 12:00 AM

Detecting Soil Movement in Embankments

Department of the Interior - Bureau of Reclamation

Closed On: 05/10/2016 12:00 AM

Design an Improved Heat Exchanger for Engine-Driven Heat Pumps

Department of Energy - Energy Programs

Closed On: 05/16/2016 12:00 AM

Design Novel Compression System for Air Conditioning Applications

Department of Energy - Energy Programs

Closed On: 05/16/2016 12:00 AM

Seeking Novel Refrigeration Architecture for Supermarkets

Department of Energy - Energy Programs

Closed On: 05/16/2016 12:00 AM

TechMousso

International Assistance Programs - Millennium Challenge Corporation

Closed On: 05/22/2016 08:00 PM

SAMHSA Opioid Recovery App Challenge

Department of Health and Human Services - Substance Abuse and Mental Health Services Administration

Closed On: 05/27/2016 11:59 PM

Design by Biomedical Undergraduate Teams (DEBUT) Challenge 2016

Department of Health and Human Services - National Institutes of Health

Closed On: 05/30/2016 11:59 PM

Pill Image Recognition Challenge

Department of Health and Human Services - National Institutes of Health

Closed On: 05/31/2016 05:00 PM

2016 SBA Growth Accelerator Fund Competition

Small Business Administration

Closed On: 06/03/2016 11:59 PM

2016 Excellence in AmeriCorps Programming and Service

Corporation for National and Community Service

Closed On: 06/06/2016 05:00 PM

Chronicling America - Historic American Newspapers Data Challenge

National Endowment for the Humanities

Closed On: 06/15/2016 05:00 PM

The Blue Economy Challenge

U.S. Agency for International Development

Closed On: 06/30/2016 11:59 PM

Design a Low-Cost Air Flow Sensor for Residential Ducted HVAC Systems

Department of Energy - Energy Programs

Closed On: 06/30/2016 12:00 AM

Design a Mean Radiant Temperature Sensor for Integration with Building Robotics' Comfy Offering

Department of Energy - Energy Programs

Closed On: 06/30/2016 12:00 AM

Seeking Accurate and Stable Humidity Sensor Technologies

Department of Energy - Energy Programs

Closed On: 06/30/2016 12:00 AM

Living Stories Challenge

Department of Defense - National Geospatial Intelligence Agency

Closed On: 07/15/2016 11:00 PM

Geothermal Design Challenge 2016

Department of Energy - Energy Programs

Closed On: 07/15/2016 12:00 AM

MTConnectStudentApps

Department of Defense

Closed On: 07/15/2016 12:00 PM

2016 CDFI Fund Prize Competition

Department of the Treasury

Closed On: 07/29/2016 05:00 PM

“A Bill You Can Understand” Design and Innovation Challenge

Department of Health and Human Services

Closed On: 08/10/2016 11:59 PM

Great Lakes Observing System Data Challenge

Department of Commerce - National Oceanic and Atmospheric Administration

Closed On: 08/15/2016 03:00 PM

Blockchain Challenge

Department of Health and Human Services

Closed On: 08/19/2016 04:00 PM

Army National Guard CSM Coin Design Challenge

Department of Defense

Closed On: 08/31/2016 11:59 PM

MRC Serves!

Department of Health and Human Services

Closed On: 09/11/2016 11:00 PM

JUMP Call for Innovation

Department of Energy - Energy Programs

Closed On: 09/11/2016 11:59 PM

$100,000 for Start a SUD Startup

Department of Health and Human Services - National Institutes of Health

Closed On: 09/16/2016 11:59 PM

Disparate Data Challenge

Department of Defense - National Geospatial Intelligence Agency

Closed On: 09/19/2016 05:00 PM

USPTO Cancer Moonshot Challenge

Department of Commerce - U.S. Patent and Trademark Office

Closed On: 09/19/2016 05:00 PM

Fishing for Fishermen

Office of Director of National Intelligence

Closed On: 09/19/2016 09:00 PM

Hear and Now - Noise Safety Challenge

Department of Labor

Closed On: 09/30/2016 04:00 PM

2016 Campus Rainworks Challenge

Environmental Protection Agency

Closed On: 09/30/2016 12:00 PM

IARPA Multi-View Stereo 3D Mapping Challenge

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

Closed On: 10/04/2016 09:00 PM

Space Robotics Challenge

National Aeronautics and Space Administration

Closed On: 10/07/2016 12:00 AM

Medicare Program - Merit Based Incentive Payment System (MIPS) Mobile Challenge-PHASE II

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

Closed On: 10/15/2016 11:59 PM

MCC Open Data Challenge

FDIC Office of Inspector General

Closed On: 10/17/2016 05:00 PM

Smart City Air Challenge

Environmental Protection Agency

Closed On: 10/28/2016 04:00 PM

PROOF: The ChemBio Suit Design Challenge

Department of Defense

Closed On: 10/29/2016 12:00 AM

2016 Congressional App Challenge

Legislative Branch - House of Representatives

Closed On: 11/02/2016 12:00 PM

Regulations.gov Data Challenge

Environmental Protection Agency

Closed On: 11/21/2016 11:59 PM

Counter-Unmanned Aerial System (C-UAS) Hard Kill Challenge

Department of Defense

Closed On: 12/02/2016 03:00 PM

Grace Hopper Day Hackathon

General Services Administration

Closed On: 12/09/2016 03:00 PM

Space Poop Challenge

National Aeronautics and Space Administration

Closed On: 12/20/2016 12:00 AM

2016 NSA Codebreaker Challenge

National Security Agency

Closed On: 12/31/2016 11:59 PM

Downstream Fish Passage at Tall Dams

Department of the Interior - Bureau of Reclamation

Closed On: 2016/05/10 12:00 AM

Preventing Rodent Burrows in Earthen Embankments

Department of the Interior - Bureau of Reclamation

Closed On: 2016/10/11 11:59 PM

Domestic Violence Video Challenge

Department of Health and Human Services

Closed On: 2016/11/03 11:59 PM

Consumer Health Data Aggregator Challenge

Department of Health and Human Services

Closed On: 2016/11/07 02:00 PM

Provider User-Experience Challenge

Department of Health and Human Services

Closed On: 2016/11/07 02:00 PM

The 2016 FDA Naloxone App Competition

Food and Drug Administration

Closed On: 2016/11/07 11:59 PM