Have not been hunting in Wyoming but have been in the high altitude in Colorado hiking. I consider myself in good shape. Being in shape does help regarding the body muscle endurance and strength but, as far as, altitude acclimation you can only due that when you get there. It is best to start acclimation at roughly 8,000 ft. or above and can take at minimum two to three days. One of the most important things to remember in high altitude HYDRATE(water) and continue to hydrate.
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