Buttercup precedes the trail runners. She needs to be out in front.

Nikon D5100 f/8 ISO 400 1/250 sec 55-300@86 mm – Autumn 2012

This is usually fine, unless she somehow winds up behind. Since she usually carries a stick, when she attempts to pass the runners, she causes some loud yelling and flat-out-running attempts to evade her scratching stick! Some of the runners find this much more amusing than others 😉