Over 1,000 people applied to run the 2014 edition of the marathon.
Runners who want to apply must show evidence that they were "profoundly and personally affected" by the bombings.
She encouraged runners before the race began.
A running clinic was held for them last weekend.
Runner and spectator safety is top priority for the Wineglass Marathon.
Security officials gave him a hard time in the wake of the marathon bombings.
He didn't know if he'd ever walk again.
Groups are trying to raise $26,500 for the project.
She received $480,000 from the One Fund.