2:46
Gregory was at the finish line of the Boston Marathon when a bomb exploded two years ago, and she wrote that she thought she would die on the pavement. After undergoing several operations, doctors amputated her leg in November. Gregory became one of 16 marathon victims to lose a limb.
She said the experience was \"absolutely surreal,\" but the weather was working against her. Halfway through, with a swollen leg and a twisted knee after an encounter with a pothole, Gregory wondered whether she could finish.
\"When I was able to see the finish line I knew I had to finish,\" she said. \"I had made a promise to myself and that's what I did.\"
\"This is the day....I take my life back,\" she wrote on Facebook before the race started, posting a photo of herself decked out in race gear.
Gregory wrote in an email to ABC News that she started strength training one week before her leg was amputated last November. Since her surgery, she has tried to train five days a week for at least an hour, focusing on both strength and endurance.
\"Running has been a huge release to me with all of the craziness going on,\" she wrote in an email to ABC News.
Editor's Note: In an earlier version of this story it was erroneously reported that Rebekah Gregory had run the entire distance, when in fact she began to run at Mile 23 in Brookline.
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