person A: My husband just ran a Marathon. He had no training I was blown away by him. True inspiration! 
person B: No training at all!  Wow_comma_ that's pretty impressive.  How far is a marathon?
person A: 26.2 miles. He walks about 10 miles a day at work so that's some training sorta.
person B: That's still pretty impressive.  I bet he was proud of himself also!  Does he plan to do it again and will you maybe do it with him?
person A: He wants to do an Iron Man. 126.2 miles_comma_ running_comma_ biking and swimming.
person B: WOW - he certainly is adventurous and determined.  I bet he will do amazing.
person A: Yes_comma_ I'm well impressed with him. 