STIHL Tour des Trees — Annual fund-raiser supporting research into fields of arboriculture and urban forestry. The 25th anniversary tour visits Washington DC area in 2017, covering routes in Maryland, Virginia and DC with daily rides of 25 to 100 miles. Check website for details. Dates: July 30 – Aug. 5, 2017 (registration opens Feb. 6, 2017).
DC Bike Ride — The family-friendly bike ride visits some of the capital’s landmarks, including the Washington Monument, the White House and the John F. Kennedy Center for Performing Arts. Benefits Washington Area Bicycle Association. Date: May 14, 2017