>>76776306
Ayyyy lmao

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>>76776306
I box
>I want to prepare for them so I don't waste the first lessons just doing conditioning
Sorry but this is retarded. There's no conditioning for boxing except boxing. You will gas whether you join tomorrow or a year of cardio from now. It's just different.
And realise that every training session will always push you to your limit, whatever your limit happens to be. The better conditioned you are, the harder your coaches will push you. But that doesn't mean being poorly conditioned means you won't get anything out of it, not at all. Because to get good at boxing, you need to box.
I highly, strongly suggest you start boxing asap. Work up to your target number of sessions per week gradually (because you risk injury, particularly rotator cuff, when you start out), and then get to the point where you're routinely attending all your sessions per week. Your performance in each session will gradually improve, which is partly improving conditioning and partly improving technique, relaxation etc.
Say 6mo-1y down the line, when you're training and sparring regularly, then you can add conditioning outside of class. This should be both LISS and sprints. Assuming you don't have an athletic background, start with a LISS jogging block - find your easy pace, then gradually increase the time you run at that easy pace, up to say 60mins. Then shift to a sprint block, where you gradually increase your sprint intensity. Or the equivalents if you want to e.g. swim instead of run, whatever.
I've used the word "gradually" several times. This was deliberate. Consistent gradual progress >>>>>> rapid progress followed by setbacks. This is why you should start boxing now - the longer you box, the more space you have for gradual improvement, the more progress you make, and it compounds on itself. If you wait to start, you will regret the time you wasted.

>>76776306
do lots of HIIT training to get your cardio really fucking good. this is the main thing. doing long distance running for cardio is better than nothing but boxing isnt moderate cardio over long periods, it is high intensity cardio in short bursts, so do the appropriate cardio training.

>>76776306
try sparring lightly with your friends, start by practicing posture and throwing jabs, film yourself and review after youre done and fix your mistakes, if you can get a punch bag even better. Aside from that cardio and jump rope is really what's going to help you most

>>76776306
Boxing classes are boxercise courses, you might hit mitts and run drills but there's a lot of HIIT thrown in there too.

>>76776306
You're most likely gonna train for a decade if you like it. Your first sessions don't mean diddly squat in the long run. Just go there and box no point in pushing it back