- A total of 346 local runners finished the Boston Marathon.
- Reston’s Susanna Sullivan finished as the fourth American at the Boston Marathon, running 2:33:22.
- D.C.’s Nathan Bickell, an Annapolis native, was the fastest local runner in 2:29:54.
- Silver Spring’s Jordan Tropf, who won the 2019 Marine Corps Marathon, finished his third marathon in three days, running 2:27:22 at the Baltimore Marathon, 2:31:54 at the Chicago Marathon and 2:32:13 in Boston, after driving to Detroit from Chicago after his first flight to Boston was canceled.
- Bethesda’s Ben Beach extended his Boston Marathon record for consecutive finishes at 54.