Here's a link to the Google tool that can help people locate someone in the Boston Marathon.
Link: Google Boston Marathon Person Finder
You can also search at the link below for any runner in the Boston Marathon and see whether or not they have finished the race and what their time was at the half.
To find someone from any city or state, leave everything blank except the city and state.
You can see the times from the finishers at this link:
Link: Find a runner in the Boston Marathon.
Here's our news coverage with a gallery and the latest updates:
Boston Marathon Explosion
Boston Bombing: Boston bombing explosion pictures