Max unbroken plank hold. 

Before performing this challenge make sure you watch the briefing and demo combined video:

This week you are going to check how long you can hold on an unbroken plank position.

You will be ranked based on your max unbroken plank hold time and your body weight. 

You can try as many times as you wish to find the best score you will get with different attempts. Use this link to log your score: Score Login 

Last week’s challenge was Max reps of goblet squat or front squat and here is a clip of our community doing the challenge. 

Here is the leaderboard from last week: Goblet Squat or Front Squat