BOSTON (CBS) — It’s been three years since the 2013 Boston Marathon bombings claimed the lives of three people and injured hundreds more, and the survivors are still trying to cope after that tragic day.

The bombings near the marathon finish line on Boylston Street killed 8-year-old Martin Richard, Lingzi Lu and Krystle Campbell on April 15, 2013. Three days later, MIT Police Officer Sean Collier was also killed by the Tsarnaev’s brothers, who were responsible for the blasts.

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(Left to right) Martin Richard, 8; Krystle Campbell, 29; Lingzu Lu, 23; MIT Police officer Sean Collier, 26.

From left, Martin Richard, 8; Krystle Campbell, 29; Lingzu Lu, 23; MIT Police officer Sean Collier, 26.

On Friday, some of the survivors took to their social media accounts to recall the events of that day and give people an update on their lives.

In a Facebook post, Rebekah Gregory discussed the linger effects of the terrorist attack.

Marathon bombing survivor Rebekah Gregory (WBZ-TV)

Marathon bombing survivor Rebekah Gregory (WBZ-TV)

“I would’ve thought by now, this all would have gotten a little easier. It hasn’t,” she said. “Instead we just continue to put on a strong front because there is no other choice. No option to show how deep the impact still runs each and every single day after.”

She added that there have been some positive things as a result of that terrible day.

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“In some ways it turns out to be a good thing. I do believe speaking from my own experience, that I am a better person now,” she said. “And maybe the scars simply serve as a reminder that most of what we worry about is trivial in comparison.

“For that I am thankful.”

Jeff Bauman at the wreath laying ceremony on Boylston Street marking the third anniversary of the Boston Marathon bombings. (WBZ-TV)

Jeff Bauman at the wreath laying ceremony on Boylston Street marking the third anniversary of the Boston Marathon bombings. (WBZ-TV)

Jeff Bauman, who lost both of his legs in the bombings, posted a photo to his Facebook page of a blue-and-yellow peace sign with a tag that reads “No more hurting people. #PEACE.”

“Three years, one Boston,” he said in the post.

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