He may be a pompous jerk but 400 lbs is still significant.

Running a Marathon every day for a week isn’t really much of an achievement for Extreme runners... but people are still allowed to be proud of running even a single Marathon. He wasn’t claiming to be an olympic weightlifter just sharing his PRs with pride.

It's quite respectable if you're almost in your 60s, which he is.

This is respectable: https://www.youtube.com/watch?v=5r9Rfo1vNDI