bloomberg philanthropies
2018 Mayors Challenge
The time is Now

The 2018 U.S. Mayors Challenge, sponsored by Bloomberg Philanthropies, is a nationwide competition that encourages city leaders to uncover bold, inventive ideas that confront the toughest problems cities face.

The time is now!

U.S. mayors face bigger challenges than ever before. Innovation is no longer optional; it’s necessary so cities can continue to deliver results and improve life for residents.

The 2018 Mayors Challenge is designed with this urgency in mind. The competition returned to the U.S. as one of the first investments in the Bloomberg American Cities Initiative, an effort to help U.S. cities generate innovation and advance policy.

35 Champion Cities Submit Final Applications!

35 cities completed a 6-month testing phase, where they conducted public prototypes of their ideas. Click here to learn more about what they tested. These cities will submit final Mayors Challenge applications on August 20, 2018.


Want to learn more about the 2018 Champion Cities?

Win $5,000,000 and solve your city's most urgent problems

Participating cities will:

Solve An Urgent Problem

The Mayors Challenge has been designed to help hundreds of cities develop ideas that solve the most urgent problems facing cities today. Innovation experts will visit each of the first 300 cities that sign up for the Challenge to deliver one-day city hall training workshops to accelerate idea development by drawing upon the expertise of the community.

Join Bloomberg's Cities Network

All entrants will receive expert guidance to develop their ideas and joined Bloomberg’s cities network, which identifies, elevates, and promotes innovations that work across cities.

Win Millions
of Dollars

35 Champion Cities will win up to $100,000 to test their ideas and build local support. The five cities with the best ideas will receive millions to implement their ideas at scale.

What's the latest?

Read news & updates on the Mayors Challenge