Enter via the R Street entrance: National Arboretum, 2400 R Street NE, Washington DC 20002. Parking is available in the following parking lots:

• Grove Lot: Please allow 10 minutes to walk from parking to the start line.
• R Street Lot: Handicap parking available here, please allow 10 minutes to walk from parking to the start line.
• New York Avenue Lot: Please allow 10-15 minutes to walk from parking to the start line.