Originally Posted by
burnthesheep
Agreed. An hour is too long and not totally useful for most. 20min is fine. Also fine to do 10mi or so. Some runners do a mile test, some a 5k, some a 10k. Whatever works and is a good comparison tool to work from.
I actually do the Sufferfest 4DP test as a benchmark. It is f****** brutal! It consists of 2x full-on max power 10 sec sprints, a 5 min VO2 interval, a 20 min FTP interval and last but not least, a 1 min full gas effort with whatever you have left in the tank! It's a test I do maybe twice a year.