Roger welcome to the forum! Lots of useful information here! And thank you for serving our country.
And now for some useless info. I'm a retired amateur triathlete. I live in New England when I was competing there was another competitor by the name Roger Little. I was in my late 30s early 40s at the time. Roger was in his mid 50s, I could never catch this guy in a race he was a fast swimmer, bicyclist and runner. Last time I looked he's still racing now in his mid 60s.