As I was writing this,
@NavyHoops posted above but I’ll go ahead and say that one should prepare for an event by doing the elements of that event. My son and I were talking about this a couple days ago when I ran across an article that told about Marine units being assigned trainers and Marines being able to do the PFT on a treadmill and rower etc.
He went apoplectic and made me regret mentioning it as he caterwauled about broken Marines who got broke by doing stuff Marines are supposed to do. He knew he was preaching to the choir but proceeded anyway. He said cross fit was something Marines are doing instead of putting on a pack and running in boots or ascending 1stSgt’s hill. Then when it comes to doing Marine stuff, all they have is cross fit strength and he absolutely destroys them. Woe be his officers and SNCOs who can’t keep up physically or tactically. He is nearing mid-career and is still a 300 PFTer and for fun, straps on a heavy pack and runs, at 1400, at 112 degrees. I don’t know if I’m bragging or disturbed that my son is sadistic which comes from my wife’s family.
Anyway, he spends lots of time in the weight room but to prepare for the PFT/CFT, he does PFT/CFT stuff.