And people are creating their own spins on the challenge, trying gentler versions like 75 Soft and 75 Mom, or abbreviated versions (Earle, for instance, is in the midst of a 30 Hard challenge).

This year, it’s the ’75 Hard’ challenge’ – with variations such as’ 75 Soft’ and ’75 Medium’ following closely behind. The 75 Hard challenge actually isn’t new at all.