The Kremer prizes are a series of monitory awards, funded by Henry Kremer , that are given to pioneers of human-powered flight.

The first Kremer prize of £50,000 was won on August 23, 1977 by Dr. Paul MacCready Jr. when his Gossamer Condor, piloted by Bryan Allen, was the first human-powered aircraft to fly a figure eight around two markers one half mile apart, starting and ending the course at least 10 feet above the ground.

The second Kremer prize of £100,000 was won on June 12, 1979, again by Paul MacCready, When Bryan Allen flew MacCready's Gossamer Albatross from England to France.