F36d8a1e f3ad 4d9a 98bb 2151e897121d

Are the workouts essentially HIIT? I've been advised to stop running & do this instead but it seems silly to start researching other HIIT workouts if the GG ones fit the bill!

2 comments,0 shares,0 likes
1c33f754 d60e 4288 bb4a 71fe0a415bcc
over 2 years

Yes I think they are

75ebcf84 975b 4948 892d fa696c8e3645
over 2 years

I believe they are. They are hard going too!