30 Day Plank Challenge Printable – Print out the schedule, hang it up, and cross off each day as you complete it. Download a google sheet or a printable pdf to track your progress in this 30 day plank challenge that starts at 60 seconds and goes up to 3 minutes. Why not set yourself your own goal to achieve in thirty days? 30 day plank challenge this super popular challenge is an easy addition to your workout!. Learn how to do the. Learn how to do different plank variations with proper form and avoid common mistakes.