Information for Runners

2021 Event Registration Is Open

Registration for the 2021 National Capital 20 Miler and the Janet Braunstein 5-Miler is currently open.

Full details for both events will be published in the coming weeks.

Register Now

2020 Virtual Event Results and Swag Update

View the 2020 event results.

In the event of an error—a missing or incorrect result—please email

You can pick up your buff at PR Running in Ballston Quarter (4238 Wilson Blvd, Ste. 1235, Arlington, VA 22203) through November 15, 2020. Runners will receive a $10 coupon at pickup that is good toward a pair of running shoes.

Results will be compiled shortly after November 6, and awards will be determined accordingly.  We thank you for your patience.

2020 Virtual Event

The 2020 National Capital 20 Miler will be held virtually.  All are invited to participate.

Race Distances

  • 20 Miler
  • 13.1 Miler (half marathon)
  • 10 Miler
  • 5 Miler

The Rules

  1. Register for the race
  2. Race between October 16, 2020 and October 31, 2020
  3. Take a picture of your finish time on your watch
  4. Take a picture of yourself at the finish line
  5. Send finish details to DC Road Runners (instructions forthcoming)

The Cost

(Optional $10 fee comes with a DC Road Runners buff and an entry into awards)

Award Categories

There will be multiple prize categories, but these are some of the highlights:

  • Fastest Male
  • Fastest Female
  • Fastest Masters Male
  • Fastest Masters Female
  • Fastest Grandmaster Male
  • Fastest Grandmasters Female
  • Best Costume
  • Most Creative Finish Line

Race buff design Race buff design


Previous Events

Race Date: Sunday, September 29, 2019.

Start Time:  7:00 a.m. for 20 Miler, 7:20 a.m. for 5 Miler, and 8 a.m. for the Walk (In support of the American Foundation for Suicide Prevention)

Race Highlights:

  • Four weeks before the Marine Corps Marathon
  • The perfect tune-up race and training run for a fall marathon!
  • An excellent first-time trail race!
  • Water/Aid Stations at approximately 2.5-mile intervals

Awards: Over $1,100 in award money. 20-Miler: Gift certificates to top three men and women overall, and first male and female master. Ten-year age-group awards for top three men and women in each group (plus the under-19 group).

Location: Carderock Recreation Area, Chesapeake and Ohio Canal Towpath, Potomac, MD 20854

Directions: Take the Capital Beltway (I-495), to the Clara Barton Parkway headed west, outside the Beltway.  Take the first exit, which is for both Carderock and the Naval Surface Warfare Center (Carderock Division). Turn left at the stop sign at the top of the ramp to cross the parkway. After passing under the canal, turn right and proceed to the third parking area at the end of the road. You may park at one of the other areas, wherever you can find an open space.

Timing and Bib Numbers: Bib number must be visible at all times during the race.  The race will be chip-timed using the Chronotrack chip timing system.  All runners will be given a net and gun time. Overall awards will be based on gun time and age groups based on chip time.

Long Sleeve Hoodie (2019)

black athletic sweatshirt with white text reading National Capital 20-Miler and 5-Miler DC Road Runners

Post Race Celebration:  Race finishers will enjoy snacks, fruit, coffee, water, Gatorade, and other goodies.

Limited Field: Enter early! By terms of our permit with the National Park Service, the size of the field (20 Miler and 5 Miler combined) is limited to 300 runners. All runners must remain in single file on the bike path and yield to pedestrians.

2018 Winners

20 Miler

Men Women
1st Christopher Sloane Silvia Baage
2nd Jeffrey Redfern Ansley Erdel
3rd Evan Jurkovich Polly Terzian
Masters Glen Tortorella Jennifer Casey

5 Miler

Men Women
1st Ryan Moore Katie Sprinkel
2nd Kyle Grimsley Mary Beth Fiedler
3rd George Sprinkle Lucia Acin-Andion