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Challenge.gov
Here, members of the public compete to help the U.S. government solve problems big and small. Browse through challenges and submit your ideas for a chance to win.

Streamflow Forecast Rodeo external challenge site (opens in new window)
Department of the Interior - Bureau of Reclamation

Streamflow Forecast Rodeo

Improving short-term streamflow forecast skill.

Open Until: 09/30/2021 09:00 PM ET

Streamflow Forecast Rodeo View External Challenge Details (opens in new window)
First Responder UAS Triple Challenge 3.1: FastFind - UAS Search Optimized details
National Institute of Standards and Technology (NIST)

First Responder UAS Triple Challenge 3.1: FastFind - UAS Search Optimized

Enhancing first responder search & rescue operations in search of missing persons in a heavily forested area using a UAS...

Open Until: 09/30/2021 09:00 PM ET

First Responder UAS Triple Challenge 3.1: FastFind - UAS Search Optimized View Details
2021 SERDP AFFF Challenge details
Department of Defense - Office of the Secretary of Defense (Acquisition & Sustainment)

2021 SERDP AFFF Challenge

PFAS-free Firefighting Foams

Open Until: 09/30/2021 02:00 PM ET

2021 SERDP AFFF Challenge View Details
NHLBI Air You Wear Challenge details
National Institute of Health (NIH) - National Heart, Lung & Blood Institute (NHLBI)

NHLBI Air You Wear Challenge

Help outpatients on supplemental oxygen lead fuller lives and win money to develop your solution to improve their oxygen delivery...

Open Until: 09/30/2021 05:00 PM ET

NHLBI Air You Wear Challenge View Details
First Responder UAS Triple Challenge 3.3: Shields Up! Securing UAS Navigation and Control details
National Institute of Standards and Technology (NIST)

First Responder UAS Triple Challenge 3.3: Shields Up! Securing UAS Navigation and Control

Improve security on UAS control channels and navigation functions

Open Until: 09/30/2021 09:00 PM ET

First Responder UAS Triple Challenge 3.3: Shields Up! Securing UAS Navigation and Control View Details
First Responder UAS Triple Challenge 3.2: Lifelink - UAS Data Relay details
National Institute of Standards & Technology (NIST)

First Responder UAS Triple Challenge 3.2: Lifelink - UAS Data Relay

Enhancing first responder operations by building a UAS to support broadband in a degraded cellular service area

Open Until: 09/30/2021 09:00 PM ET

First Responder UAS Triple Challenge 3.2: Lifelink - UAS Data Relay View Details
xTechHBCU details
Department of Defense - U.S. Army

xTechHBCU

xTechHBCU aims to engage with eligible institutions as defined below, and highlight opportunities to collaborate with the Army to tackle...

Open Until: 10/01/2021 05:00 PM ET

xTechHBCU View Details
Sustainable Communities Web Challenge external challenge site (opens in new window)
Environmental Protection Agency (EPA)

Sustainable Communities Web Challenge

Customize and extend our apps using EPA models with new designs and data to provide sustainability information for communities

Open Until: 10/02/2021 04:00 PM ET

Sustainable Communities Web Challenge View External Challenge Details (opens in new window)
American-Made Solar Prize Round 5 external challenge site (opens in new window)
U.S. Department of Energy

American-Made Solar Prize Round 5

Energize U.S. solar innovation through a series of contests, earning part of $4.6 million in prizes for your novel technology...

Open Until: 10/05/2021 05:00 PM ET

American-Made Solar Prize Round 5 View External Challenge Details (opens in new window)
NICHD's Decoding Maternal Morbidity Data Challenge details
National Institutes of Health, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)

NICHD's Decoding Maternal Morbidity Data Challenge

Delivering New Data Solutions to Improve Maternal Health

Open Until: 10/15/2021 05:00 PM ET

NICHD's Decoding Maternal Morbidity Data Challenge View Details
Large Scale Metal Additive Manufacturing Challenge external challenge site (opens in new window)
Air Force Research Laboratory

Large Scale Metal Additive Manufacturing Challenge

Develop and mature large-format metal AM technologies for DoD parts and solutions

Open Until: 10/15/2021 11:59 PM ET

Large Scale Metal Additive Manufacturing Challenge View External Challenge Details (opens in new window)
Machine Learning Prediction of Internal Building Structures external challenge site (opens in new window)
Air Force Research Laboratory

Machine Learning Prediction of Internal Building Structures

The goal of this challenge is to predict the internal structural configuration of structures using external satellite photographs.

Open Until: 10/15/2021 11:59 PM ET

Machine Learning Prediction of Internal Building Structures View External Challenge Details (opens in new window)
Data Privacy Certification - UI/UX Design Challenge external challenge site (opens in new window)
International Trade Administration (ITA)

Data Privacy Certification - UI/UX Design Challenge

Employ your UI and UX design skills to help make it easier for organizations around the world to be recognized...

Open Until: 10/15/2021 12:59 PM ET

Data Privacy Certification - UI/UX Design Challenge View External Challenge Details (opens in new window)
The Mobile Fingerprinting Innovation Technology (mFIT) Challenge details
National Institute of Standards and Technology (NIST) - Public Safety Communications Research (PSCR) Division

The Mobile Fingerprinting Innovation Technology (mFIT) Challenge

Advancing Mobile Fingerprint Capture Technology for Law Enforcement

Open Until: 10/18/2021 05:00 PM ET

The Mobile Fingerprinting Innovation Technology (mFIT) Challenge View Details
Open Data for Good Grand Challenge details
U.S. Census Bureau

Open Data for Good Grand Challenge

Unleashing the value of open data through digital tools for the public

Open Until: 10/24/2021 11:59 PM ET

Open Data for Good Grand Challenge View Details
Solar Decathlon 2022 Design Challenge details
U.S. Department of Energy

Solar Decathlon 2022 Design Challenge

Are you interested in designing high-performance buildings that tackle climate change and promote environmental justice? Do you love the thrill...

Open Until: 10/26/2021 05:00 PM ET

Solar Decathlon 2022 Design Challenge View Details
Solar Decathlon 2023 Build Challenge details
U.S. Department of Energy

Solar Decathlon 2023 Build Challenge

Are you interested in designing and building high-performance homes in your local community that tackle climate change and promote environmental...

Open Until: 10/26/2021 05:00 PM ET

Solar Decathlon 2023 Build Challenge View Details
NASA TechRise Student Challenge details
National Aeronautics and Space Administration (NASA)

NASA TechRise Student Challenge

Design an experiment to test on a suborbital rocket or high-altitude balloon.

Open Until: 11/03/2021 05:00 PM ET

NASA TechRise Student Challenge View Details
The Artisanal Mining Grand Challenge: The Amazon details
U.S. Agency for International Development

The Artisanal Mining Grand Challenge: The Amazon

Develop and implement solutions that address the environmental and social costs of artisanal and small-scale gold mining (ASGM) in the...

Open Until: 11/10/2021 11:59 PM ET

The Artisanal Mining Grand Challenge: The Amazon View Details
2021 "$100,000 for Start a SUD Startup" Challenge details
Department of Health and Human Services, National Institutes of Health, National Institute on Drug Abuse

2021 "$100,000 for Start a SUD Startup" Challenge

Testing the premise of research ideas that can be fostered into biotech startups

Open Until: 11/16/2021 11:59 PM ET

2021 "$100,000 for Start a SUD Startup" Challenge View Details
Pediatric COVID-19 Data Challenge details
Department of Health and Human Services - Biomedical Advanced Research and Development Authority (BARDA)

Pediatric COVID-19 Data Challenge

Help develop computational models to predict children at risk for severe COVID-19 complications

Open Until: 11/19/2021 11:59 PM ET

Pediatric COVID-19 Data Challenge View Details
ED.gov National Assessment of Educational Progress (NAEP) Automated Scoring Challenge details
Department of Education, Institute of Education Sciences (IES)

ED.gov National Assessment of Educational Progress (NAEP) Automated Scoring Challenge

Accurately & Transparently Predicting Scores of Test Items

Open Until: 11/28/2021 05:00 PM ET

ED.gov National Assessment of Educational Progress (NAEP) Automated Scoring Challenge View Details
xView3 external challenge site (opens in new window)
Department of Defense, Defense Innovation Unit

xView3

A competition to detect dark vessels using computer vision and global SAR satellite imagery

Open Until: 11/30/2021 07:59 PM ET

xView3 View External Challenge Details (opens in new window)
EcoTox TARGET Challenge details
Environmental Protection Agency

EcoTox TARGET Challenge

Develop high quality, low-cost tools that assess global gene expression in common aquatic toxicity test organisms

Open Until: 12/03/2021 11:59 PM ET

EcoTox TARGET Challenge View Details
Cooling Solutions Challenge details
Department of Homeland Security (DHS)

Cooling Solutions Challenge

Countering extreme heat with cool technology

Open Until: 12/07/2021 08:00 PM ET

Cooling Solutions Challenge View Details
I Strengthen My Nation: Artistic Expressions of Resilience to Stand Against Substance Misuse external challenge site (opens in new window)
Department of Health and Human Services, National Institutes of Health, National Institute on Drug Abuse

I Strengthen My Nation: Artistic Expressions of Resilience to Stand Against Substance Misuse

NIDA challenges creative youth to make art that inspires others by demonstrating indigenous resilience to substance misuse.

Open Until: 12/10/2021 11:59 PM ET

I Strengthen My Nation: Artistic Expressions of Resilience to Stand Against Substance Misuse View External Challenge Details (opens in new window)
I Strengthen My Nation: American Indian and Alaska Native Community Projects Created by Youth to Stand Against Substance Misuse external challenge site (opens in new window)
Department of Health and Human Services, National Institutes of Health, National Institute on Drug Abuse

I Strengthen My Nation: American Indian and Alaska Native Community Projects Created by Youth to Stand Against Substance Misuse

NIDA challenges creative youth to develop ideas for community projects that could decrease substance use and promote resilience.

Open Until: 12/10/2021 11:59 PM ET

I Strengthen My Nation: American Indian and Alaska Native Community Projects Created by Youth to Stand Against Substance Misuse View External Challenge Details (opens in new window)
Engaging Procurement Ideas to Consider (EPIC) Campaign details
Office of Management and Budget (OMB), Office of Federal Procurement Policy (OFPP)

Engaging Procurement Ideas to Consider (EPIC) Campaign

Help shape plans that support the President’s Management Agenda (PMA) and other key government-wide acquisition priorities and initiatives

Open Until: 12/31/2021 11:59 PM ET

Engaging Procurement Ideas to Consider (EPIC) Campaign View Details
LitCoin NLP Challenge external challenge site (opens in new window)
National Institutes of Health (NIH), National Center for Advancing Translational Sciences (NCATS)

LitCoin NLP Challenge

Designing an NLP system to create accessible knowledge from research

Open Until: 01/31/2022 05:00 PM ET

LitCoin NLP Challenge View External Challenge Details (opens in new window)
Perovskite Startup Prize details
Department of Energy-National Renewable Energy Laboratory (NREL)

Perovskite Startup Prize

The American-Made Perovskite Startup Prize is designed to accelerate the growth of the domestic perovskite industry.

Open Until: 03/31/2022 05:00 PM ET

Perovskite Startup Prize View Details
NEI 3-D Retina Organoid Challenge (3-D ROC), Phase III details
Department of Health and Human Services - National Institutes of Health

NEI 3-D Retina Organoid Challenge (3-D ROC), Phase III

Build your vision of the future.

Open Until: 06/01/2022 02:00 PM ET

NEI 3-D Retina Organoid Challenge (3-D ROC), Phase III View Details
Divide and Conquer: Modeling Large-Scale Hydraulics Faster Challenge external challenge site (opens in new window)
Bureau of Reclamation

Divide and Conquer: Modeling Large-Scale Hydraulics Faster Challenge

Improve the modeling of flow hydraulics and sediment transport by creating a fast, stable, parallel linear equation solver for computational...

Open Until: 03/27/2022 11:59 PM ET

Divide and Conquer: Modeling Large-Scale Hydraulics Faster Challenge View External Challenge Details (opens in new window)

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