"No one said, 'Congratulations, how was your race?' or all the things you're accustomed to after the race. Everyone just stood there with this blank look on their face."

He and his wife packed their bags and left with friends who live outside Boston, choosing to spend the night in their suburban home instead of staying in the city.

Many other Marylanders also left. Ledwell headed straight to the airport with Healy. Since her return to Baltimore, her parents have urged her to go to the counseling center at Hopkins to discuss her experiences. She can't stop reading about the bombings. "I've been glued to the news," she says.

Douglas and her husband, who managed to regroup at the race and get to a medic tent so her leg could be patched up, flew out that night. Her leg has since developed a huge bruise, she says. She went to her doctor and got an X-ray, but nothing is broken. "I do keep thinking I'm so lucky I wasn't closer," she says.

The Snyders changed their late-Tuesday flight to one earlier in the day. No charge, the airline told them. They've been on a "roller coaster" of emotions since, Richard Snyder says, watching the news and thinking back on their experience.

"It goes in waves," he says. "I get angry and then I get sad, and then it feels personal, like it was a personal attack. And then you feel guilty because other people were injured. Then I feel like I put my wife in danger."

They've heard fellow runners talk about being in Boston again next year, about not giving into fear. They haven't decided how to feel about that, yet.