Runners in the first wave pass under Massachusetts Avenue in the last mile of the 2015 Boston Marathon. This year’s marathon saw 26,610 runners finish. Tristan Honscheid—The Tech May. 9, 2016 Facebook Twitter Reddit Print Runners in the first wave pass under Massachusetts Avenue in the last mile of the 2015 Boston Marathon. This year’s marathon saw 26,610 runners finish. Tristan Honscheid—The Tech