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Archived Challenges

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

2011 Presidential Green Chemistry Challenge Awards

Environmental Protection Agency

Closed On: 01/01/2011 04:00 AM

Career Videos for America's Job Seekers

Department of Labor

Closed On: 01/01/2011 04:59 AM

Green Flight Challenge

National Aeronautics and Space Administration

Closed On: 01/01/2011 04:59 AM

Poster Contest on Carbon Monoxide Safety

Consumer Product Safety Commission

Closed On: 01/01/2011 09:59 AM

Hydrogen Student Design Contest

Department of Energy - Energy Programs

Closed On: 01/04/2011 04:00 AM

Challenge to Innovate (C2i)

Department of Education

Closed On: 01/15/2011 04:00 AM

HBCU Mental Health Promotion Campaign 2011

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

Closed On: 01/15/2011 04:59 AM

Augmented Reality Photo Contest

International Assistance Programs - Department of State - Other

Closed On: 01/22/2011 09:00 AM

Preparing Our Communities Before a Disaster Strikes

Department of Homeland Security - Federal Emergency Management Agency

Closed On: 01/30/2011 04:59 AM

Next Generation Design Competition

General Services Administration

Closed On: 02/01/2011 09:00 AM

Sustainable Urban Housing - Collaborating for Liveable and Inclusive Cities

Department of Housing and Urban Development

Closed On: 02/02/2011 11:00 PM

DTIC Student Paper Competition

Department of Defense

Closed On: 02/08/2011 04:59 AM

Balloonsat High Altitude Flight Student Competition

National Aeronautics and Space Administration

Closed On: 02/12/2011 04:59 AM

Calendar cover contest - womenshealth.gov

Department of Health and Human Services

Closed On: 03/01/2011 04:00 AM

Healthy Living Innovation Awards

Department of Health and Human Services

Closed On: 03/01/2011 11:00 PM

Experimental Crowd-derived Combat-support Vehicle (XC2V) Design Challenge

Department of Defense

Closed On: 03/04/2011 04:59 AM

Race to the Top High School Commencement Challenge

Department of Education

Closed On: 03/11/2011 11:00 PM

Veterans Health Wireless Innovation Challenge

Department of Veterans Affairs

Closed On: 03/16/2011 03:00 AM

NLM & You: The Video Contest

Department of Health and Human Services - National Institutes of Health

Closed On: 04/01/2011 03:59 AM

Whats your energy innovation? - a video challenge for undergraduate college students

National Science Foundation

Closed On: 04/05/2011 03:00 AM

Absentee Voting Slogan Contest

Department of Defense

Closed On: 04/09/2011 03:59 AM

Absentee Voting Poster Contest

Department of Defense

Closed On: 04/11/2011 03:59 AM

FAA Design Competition for Universities

Department of Transportation

Closed On: 04/16/2011 03:00 AM

Prevention of Substance Abuse and Mental Illness Video PSA Contest

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

Closed On: 04/23/2011 03:59 AM

Service Impact Award

International Assistance Programs - Department of State - Other

Closed On: 04/26/2011 03:59 AM

Go Viral to Improve Health: IOM-NAE Health Data Collegiate Challenge

Department of Health and Human Services

Closed On: 04/28/2011 03:00 AM

2011 Cyber Quests Competition

Department of Defense

Closed On: 05/02/2011 03:00 AM

Connected Vehicle Technology Challenge

Department of Transportation

Closed On: 05/02/2011 03:59 AM

Design and simulation of an accurate shooter-locator

Department of Defense

Closed On: 05/03/2011 03:00 AM

Humanitarian Air Drop

Department of Defense

Closed On: 05/03/2011 03:00 AM

Remote Human Demographic Characterization

Department of Defense

Closed On: 05/03/2011 03:00 AM

Vehicle Stopper

Department of Defense

Closed On: 05/03/2011 03:00 AM

Connecting Generations Video Challenge

Department of Health and Human Services

Closed On: 05/10/2011 03:59 AM

Lifted by the Cloud: Visions of Cloud-Enhanced Accessibility

Department of Veterans Affairs

Closed On: 05/16/2011 07:59 AM

CDC Flu App Challenge

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

Closed On: 05/28/2011 03:59 AM

SMART Apps for Health

Department of Health and Human Services

Closed On: 06/01/2011 03:59 AM

FCC Open Internet Apps Challenge

International Assistance Programs - Department of State - Other

Closed On: 06/02/2011 07:59 AM

It's My Environment Video Project

Environmental Protection Agency

Closed On: 06/07/2011 03:59 AM

Rachel Carson "Sense of Wonder" Contest 2011

Environmental Protection Agency

Closed On: 06/11/2011 07:00 AM

Sponsoring Scholars in Science

Department of Defense

Closed On: 06/17/2011 03:59 AM

Detecting Impact Craters Challenge

National Aeronautics and Space Administration

Closed On: 06/30/2011 03:00 AM

Intelligent Transportation Systems Video Challenge

Department of Transportation

Closed On: 07/01/2011 03:00 AM

National Natural Landmarks Program Photo Contest

Department of the Interior - National Park Service

Closed On: 07/01/2011 07:00 AM

Healthy Swimming Video Contest

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

Closed On: 07/05/2011 03:59 AM

Picture It! Safe Workplaces for Everyone

Department of Labor

Closed On: 08/13/2011 03:00 AM

Strong Tether Challenge

National Aeronautics and Space Administration

Closed On: 08/13/2011 03:00 AM

HADR-Challenge

Department of Defense

Closed On: 08/15/2011 11:59 PM

Medicare Claims Data Developer Challenge

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

Closed On: 08/16/2011 03:00 AM

Mapping Dark Matter

National Aeronautics and Space Administration

Closed On: 08/19/2011 03:59 AM

Food, Fun, and Sun - Story and Photo Challenge!

Department of Agriculture

Closed On: 08/21/2011 03:00 AM

Using Public Data for Cancer Prevention and Control: From Innovation to Impact

Department of Health and Human Services

Closed On: 08/27/2011 03:00 AM

2011 ENERGY STAR National Building Competition: Battle of the Buildings

Environmental Protection Agency

Closed On: 08/31/2011 11:59 PM

NLM Show Off Your Apps - Innovative Uses of NLM Information

Department of Health and Human Services - National Institutes of Health

Closed On: 09/01/2011 03:59 AM

Green Power Community Challenge

Environmental Protection Agency

Closed On: 09/01/2011 11:00 PM

GREAT10 - The GRavitational lEnsing Accuracy Test

National Aeronautics and Space Administration

Closed On: 09/03/2011 03:59 AM

The 2011 Zero Robotics Challenge

National Aeronautics and Space Administration

Closed On: 09/06/2011 03:00 AM

September 11 National Day of Service and Remembrance 10th Anniversary Challenge

International Assistance Programs - Department of State - Other

Closed On: 09/14/2011 09:00 PM

DOL informACTION App Challenge

Department of Labor

Closed On: 09/15/2011 03:00 AM

Occupational Employment Statistics Challenge

Department of Labor

Closed On: 09/15/2011 03:00 AM

Apps for the Environment

Environmental Protection Agency

Closed On: 09/17/2011 12:00 AM

Solar Decathlon

Department of Energy - Energy Programs

Closed On: 09/24/2011 03:00 AM

Creating a Collaborative Nano-Bio Manufacturing Institute

Department of Defense

Closed On: 10/01/2011 03:00 AM

Apps for Communities

International Assistance Programs - Department of State - Other

Closed On: 10/04/2011 03:00 AM

MusiCares and GRAMMY Foundation - Teen Substance Abuse Awareness through Music Contest

Department of Health and Human Services - National Institutes of Health

Closed On: 10/11/2011 03:00 AM

Are You Prepared? Video Contest

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

Closed On: 10/12/2011 03:59 AM

Apps Against Abuse

Department of Health and Human Services

Closed On: 10/18/2011 03:59 AM

Blue Button for All Americans

Department of Veterans Affairs

Closed On: 10/19/2011 03:00 AM

Data Visualization Student Challenge

Department of Transportation

Closed On: 11/01/2011 03:00 AM

Joining Forces Community Challenge

International Assistance Programs - Department of State - Other

Closed On: 11/01/2011 03:00 AM

Help Answer the Public's Questions Video Contest

General Services Administration

Closed On: 11/02/2011 03:00 AM

The ASPR Lifeline Facebook Application Challenge

Department of Health and Human Services

Closed On: 11/05/2011 03:00 AM

Special Operations Transport

Department of Defense

Closed On: 11/15/2011 04:59 AM

MyPlate Fruits and Veggies Video Challenge

Department of Agriculture

Closed On: 11/15/2011 05:00 PM

Ensuring Safe Transitions from Hospital to Home

Department of Health and Human Services

Closed On: 11/17/2011 05:00 AM

Healthymagination Challenge - Assembling Tools to Fight Cancer

Department of Health and Human Services

Closed On: 11/20/2011 05:00 AM

Apps for Entrepreneurs

Small Business Administration

Closed On: 11/21/2011 04:00 AM

Do More Than Donate. FWD the Facts About the Famine.

International Assistance Programs - Agency for International Development

Closed On: 12/02/2011 05:00 PM

DARPA's Shredder Challenge

Department of Defense

Closed On: 12/05/2011 04:00 AM

$50,000 USPTO Algorithm Challenge

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

Closed On: 12/06/2011 04:00 AM

White House Campus Champions of Change

International Assistance Programs - Department of State - Other

Closed On: 12/10/2011 05:00 AM

Ending Childhood Hunger Video Contest

Department of Agriculture

Closed On: 12/15/2011 11:00 PM

NIH Lessons About Bioscience (LAB) Challenge

Department of Health and Human Services - National Institutes of Health

Closed On: 12/15/2011 12:00 PM

Fast Rope Glove Device

Department of Defense

Closed On: 12/16/2011 05:00 AM

United States Surgeon Generals Healthy Apps Challenge

Department of Health and Human Services

Closed On: 12/31/2011 05:00 AM

Americas Home Energy Education Challenge

Department of Energy - Energy Programs

Closed On: 12/31/2011 11:00 PM