CrossFit Class 1/8/18

CrossFit Class 
AMRAP in 20 Minutes of:
50 Foot DB Walking Lunges 50/35 front rack
27 Unbroken Double Unders
21/16 Calorie Row
15 Chest to Bar Pull Ups

POST WOD: OT 90 seconds for 4 sets
5 Back Squats 4011