CROSS TRAINING by Coach Stephanie
Cross training, for runners, refers to exercises that are different than running.
This could be almost any form of conditioning that gets your heart pumping at a minimum level and duration. So, if you walk instead of run, you are cross training. If you swim, you are cross training. If you do yoga, you are cross training.
The caveat here is that the activity needs to be done at a minimum heart rate level of 60% with continuous movement for at least 30 minutes or you are not replacing your running with another type of fitness training. You must have an equal or greater level of intensity to the exercise in order to replace running as your cardio-vascular training method.