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CrossFit Black Ridge – CrossFit Crossfit Open starts Thursday. Make sure and sign up asap at crossfit.com First workout will launch Thursday evening at 6pm and Friday’s classes will do 16.1 View Public Whiteboard Metcon (AMRAP – Rounds and Reps) 25 minute amrap “Patti” 10 calorie row 20 box step ups 20in 30 kb swings…