Ellipticising 

The act of using an Elliptical machine to exercise.

I was ellipticising at the gym. I would prefer to ellipticise instead of running.

Ellipticising by psldude1983 May 19, 2010

ellipticaling 

The act of using the elliptical machine at the gym.

At the gym she went running, swimming, spinning, and ellipticaling.

ellipticaling by Johnny Vee January 4, 2008