Infernal Spiral

 Goal(s) :

Vary the distances on a circle.

 Process :

The horse starts and stops facing its rider, who remains in their designated area.
The horse must complete a circle by crossing the ground poles on the inner side, then complete another circle by crossing the poles on the outer side (spiral). It then turns around and completes a circle crossing the outer side, then the inner side in the opposite direction (reverse spiral).
Contract 10pts: On a lunge line, the rider in the large central area.
Contract 15pts: At liberty, the rider in the large central area.
Contract 20pts: At liberty, the rider in the small central area.

 Difficulties :

Distancing and bringing the horse closer while crossing ground poles.