13 07 2012 Infidel Friday the 13th Workout of The Day RC warmup Strength: Shoulder press, 2 reps every minute on the minute for 13 minutes, (90% of 2 RM)* WOD: AMRAP in 20 minutes of: 13 burpee box jumps 13 landmine presses per arm 20/10 13 landmine Russian twists 20/10 Run 200m Post loads and rounds to comments.