Uploaded April 2016 | Updated September 2026, 3 weeks ago
Greg Sullivan runs the Boston Marathon to support his friend Pete Frates, who started the Ice Bucket Challenge after he was diagnosed with ALS. Greg carries out Pete’s mission to raise awareness of ALS by taking on the Boston course. Greg's Boston Mile is mile 21. Tell your story with #MyBostonMile
Greg Sullivan runs the Boston Marathon to support his friend Pete Frates, who started the Ice Bucket Challenge after he was diagnosed with ALS. Greg carries out Pete’s mission to raise awareness of ALS by taking on the Boston course. Greg's Boston Mile is mile 21. Tell your story with #MyBostonMile
