I am an ex Paratrooper for the British Army, my fitness is way down since then, however i decided to try and calculate it, and this is my score.. which is the top end of my age bracket and more. About V02 max http://www.sport-fitness-advisor.com/VO2max.html Test link. https://www.worldfitnesslevel.org/#/ V02 max table to compare to. http://www.topendsports.com/testing/norms/vo2max.htm My result. Enjoy.