Most step ups in one minute with a 40 lb pack (male)
Who
Ron Cooper
What
60 total number
Where
United States (Marblehead)
When
Age Restriction: Applications for this record title will only be accepted if the applicant is 16 years of age or over.

The most step ups in one minute with a 40 lb pack is 60 and was achieved by Ron Cooper (USA) at CrossFit Marblehead in Marblehead, Massachusetts, USA, on 2 December 2016.

This was the fourth and final successful attempt by Ron which was broadcast live on Guinness World Records' Facebook page.