SEALFIT Kokoro 20X Challenge 4-19-24

A physical “crucible” individual and team challenge that will prove you are 20 times more capable than you think you are.

Located in a remote training camp in the desert of southern California. Experience a permanent shift in your perspective and way of life by taking part in the 12-Hour Crucible where our elite SEALFIT coaches – including active and retired Navy SEALs – will push you beyond your perceived limits.

This event is not for everyone.


You will be tested for maximum reps and you MUST reach the following minimum standards in a semi-fatigued state (not fresh):
Kokoro PST
50 push-ups (40 for women): 2 minutes
50 sit-ups (40 for women): 2 minutes
50 air squats (40 for women): 2 minutes
10 dead hang pull-ups (8 for women)
1 mile run in boots and utility pants: 9.5 minutes
Swimming competence: 500-yard continuous swim. A 10-minute continual water tread


In addition to the PST you will be physically tested on how fast you can do MURPH. There is a 75 minute time cap.

MURPH (in boots with weighted ruck ~20# men, ~10# women. You can partition the pullups, push-ups, and squats in 20 rounds of 5 pull-ups, 10 push-ups, and 15 squats):

1 mile run
100 pull-ups
200 push-ups
300 air squats
1 mile run

If you do not pass the PST and Murph you will be asked to leave the course. This program is not for everyone and you will have to train to prepare yourself.


In good medical health with a physical within one year of the event. Any heart condition is an automatic disqualifier.

Character Standard:

Prove to be a good teammate. We reserve the right to ask you to leave if you are not.


SGPT Interviews SEALFIT Kokoro Finisher Glenn Bland
SGPT Interviews SEALFIT 20X Challenge Finisher Craig Graves

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Work 1-on-1
with SEAL Grinder's Brad McLeod
To Achieve Your Goals

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Personal fitness training from Brad McLeod, Navy Seal and CrossFit Level 1 instructor. Delivered online, directly to you.

"I recommend Brad to anyone that seriously wants to go to BUDs or anything else in life... try these workouts. Hooyah!" - Chris H.

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