The Boston Marathon features quite a few reminders about how the city has moved on since the bombings three years ago.
That includes dozens of people running in honor of 8-year-old Martin Richard, the youngest person killed in the bombing. They are all part of a running team named "Team MR8," and they're raising money for the Martin Richard Foundation.
Martin Richard's father, Bill Richard, joined Morning Edition to talk about the work of the foundation.
This segment aired on April 18, 2016.