The Road Runners Club of America (RRCA) is the oldest and largest national association of runners and running organizations dedicated to growing the sport of running since 1958.

The RRCA Championship Event Series is the largest grassroots-organized running series in the U.S. with over 200 races participating that attract nearly 300,000 participants. RRCA Championship Events are designated annually at the State, Regional, and National level through a competitive bidding process.

The goal of the RRCA Championship Event Series is to celebrate and shine a spotlight on well-run, community-focused events and to award their top performing runners.