BOSTON (CBS) — Boston Athletic Association Executive Director Tom Grilk was inside the Copley Plaza Hotel getting ready for an award ceremony.

Race Director Dave McGillivray was in Hopkinton, getting ready to start his own run to Copley Square.

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“My immediate reaction was disbelief,” McGillivray said to news two bombs had gone off at the Boston Marathon finish line.

All along the course, the BAA’s 8,500 volunteers continued doing what they were trained to do, in circumstances they could have never imagined.

WBZ NewsRadio 1030’s Bernice Corpuz reports

“These people are so valuable to us and at the same time are human beings with needs like the rest of us,” Grilk said.

The BAA has focused on making sure they now get the counseling they need.

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“Our runners were victims too,” McGillivray said.

McGillivray finally got to run his marathon this past Friday. He told WBZ-TV, it was an opportunity to reflect on what’s happened.

The BAA says it’s too soon to know what changes we’ll see next year – whether it’s increased security or an expanded field for all those who want to run Boston next April.

Public safety, the towns along the course and the runners will all have input.

“Everything is open for consideration,” Grilk said. “It is a collaborative process.”

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McGillivray said one thing is for sure, terror will not take the Boston Marathon away and next year will be a celebration of strength and resilience.