Race Details Event Date 04/20/25 Race start time(s) 7:20 AM Registration start 5:15 AM Event Location Fenn School Event Address 516 Monument Street Event City Concord Event State MA Race ID 1019 Event Information Website https://www.toughruck.org/ Social Media Event Facebook page Event Twitter page Facebook hashtags Results Online Results Athlinks Older Results GSRS Results Archive, 2019, 2018, 2017, 2016, 2015 Recent Results 2025202420232022 Race comments Race held virtually in 2020 and 2021