I just joined and I wanted to briefly introduce myself. My name is Brian. I live in Arlington and I've been training to compete in the Nation's Triathlon since February.
I also write a triathlon training blog that's tracks from progression from a 275lb ex-football player to aspiring triathlete:
I'm always looking for training partners or groups so hopefully I'll get a chance to meet ya'll.
Welcome to the club. While I can't personally comment on making the switch from football to triathlon my coach has a client who was a center for Army and has since finished Ironman Lake Placid in just over 11 hours.
Good luck with the training.