Rock 'n' Roll Washington DC Marathon

Rock 'n' Roll Washington DC Marathon
Start line in front of the D.C. Armory in 2011
Date	March
Location	Washington, D.C.
Event type	Road
Distance	half marathon & 5K
Primary sponsor	United Airlines
Established	2006 (18 years ago) (2006)
Course records	Men's: 2:20:45 (2018) Tyler Andrews Women's: 2:43:00 (2014) Nuța Olaru
Official site	Rock 'n' Roll Running Series - Washington DC

The United Airlines Rock 'n' Roll Running Series - Washington DC, formerly known as the National Marathon, is an annual half marathon and 5k held in Washington, D.C. since 2006. The half marathon and formerly offered marathon distance races take place entirely within Washington, D.C., and finish near RFK Stadium.

The race is organized by Advance Publications' Ironman Group.

Organizers announced that the race would return on March 27, 2021 as a "Half Marathon event".^[1]