Since its founding in 1920, the Green Section has led the USGA’s efforts to improve golf course playing conditions and sustainability through research, education, course consulting, technology tools ...

The following resources have been created to assist with the rollout of the USGA Handicap Review Tool. Additional documentation will be added periodically.

New additions will normally be updated on a quarterly basis each January, April, July, and October and the next quarterly update will be in early October 2026. Note: The revised version of MLR M-4 ...

The calculated Playing Handicap is rounded to the nearest whole number, with .5 rounded upwards.

This USGA Green Section Collection contains articles, videos and infographics related to the care and maintenance of bunkers. These materials will help superintendents provide the best possible bunker ...

The U.S. Amateur Championship was born in 1895 because of a controversy. In 1894, two clubs - Newport (R.I.) Golf Club and New York's St. Andrew's Golf Club - had conducted invitational tournaments to ...

Cyanobacteria, commonly known as blue-green algae, typically fill voids in putting green turf created by other issues. Blue-green algae form mats that inhibit water movement and gas exchange through ...

When a player posts a 9-hole score played on a rated nine, a 9-hole Score Differential will be calculated for the 9 holes played, and that value will be combined with an expected score based on the ...

Among the benefits of the USGA establishing a second home in Pinehurst, N.C., is the founding of the Greenkeeper Apprenticeship Program (GAP)– an innovative effort to address the maintenance ...

Jack Nicklaus, a rising star from Ohio State, defeated 1958 U.S. Amateur champion Charles Coe, 1 up, to win the title at The Broadmoor in Colorado Springs, Colo.