Is Tinman calculator broke ?
Based on my 1 mile I should be able to run 2 miles in 12:35 or so. Can't believe
I run about 25-30 miles per week, mostly at easy pace (8:45-9minute/mile), 3-4 times a week. Once every 10 days or so I do a 11 mile run. And once every 15 days I do an interval session such as 5x800 or 10x400m.
I run since 8 months.