Ironman  70.3 Wilmington, NC, October 19, 2019.
Revolution 3 Triathlon  Cap Trail 100, Richmond / Williamsburg, October 13, 2019.
Tri It Now Great venue for beginners with pool swims at the Manassas Freedom Center!
Race categories include triathlon, duathlon, aquabike, aquathlon, tri-relay teams
Upcoming races: None listed as of 10/3/19.
Racine Multisports  Multisport, running and open water swim races in MD & VA
Upcoming races: Hagerstown Duathlon, October 12, 2019; Swim Fest Fort Ritchie, Cascade, MD  May 23, 2020.
Others  Frederick Running Festival, Frederick County Fairgrounds, May 2-3, 2020.
Additional websites to find races:
For more information on USAT events and membership: