I'm 47. I run,ride,hike,paddle,ski...every day.I work at night. I ran the vermont 100 (100 mile trail race) in alittle under 23 hours. I do 8 hour trail runs regularly.
Wow! That is impressive!
Sorry-- I just realized this is a knifemaker-only forum. I don't make knives. I shouldn't have posted here. Matt