Day 21 of 21 SGPT Plank Challenge

Today is Day 21 of 21 for the SGPT plank challenge.

Do plank on hands for max amount of time.

If you cannot do the amount of time listed – then go as long as you can and mark down your time (example 60 seconds).

Elite athletes can add a weight vest.

Post up your time for plank in the comments below.

We will be giving away a SOG Salute Folding Knife FF11-CP at the end of the 21 days for the athlete who post every day and also has the most improvement on the last day test.

Any questions? Post up below