You are pushing your body to the absolute limit.
Times, Sunday Times
I have always taken it to the absolute limit.
Times, Sunday Times
I just push myself to the absolute limit and don't think about times.
Times,Sunday Times
Every corner in every one of those laps he pushed himself to the absolute limit and beyond.
Times, Sunday Times
The week-long series of tasks are designed to push recruits to their absolute limit.
The Sun