5x 20 minute miles should be easy enough to average, but it might be hard to do without breaks. I also imagine it might be harder for heavier people because I can do 5 20s fairly easily if I’m unencumbered. However, the same effort with a 35lb pack will probably net me a 30 minute pace.
5x 20 minute miles should be easy enough to average, but it might be hard to do without breaks. I also imagine it might be harder for heavier people because I can do 5 20s fairly easily if I’m unencumbered. However, the same effort with a 35lb pack will probably net me a 30 minute pace.