I am a newbie to swimming for fitness. I am going to do a triathlon in a couple of months. I have pretty good lower body strength and OK upper body strength. My problem is that I am tiring out breathing-wise well before my muscles get tired out. I have someone looking at my technique, which is admittedly poor. She assures me that the breathing will come with more training, but I have to admit that I don't want to feel like I now feel when I am in the open water. The tri is a 400 yard lake swim. Any reasonable expectations for how and when this will improve, or exercises to help this? I have read that doing non breather laps will help. Thanks in advance.
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