Question About Nike+ Coach

kylielouttit
kylielouttit Posts: 512 Member
edited September 20 in Fitness and Exercise
Hopefully someone can answer this for me!

I am doing the "Coach Jay 5k" on the Nike+ website and I'm a little confused what the abbreviations mean. On Thursday I am supposed to do a 10min "GS" and on Sunday I am supposed to do 3.21km with a 10min "GS"....what does GS mean?

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