pacesetter

pacemaker noun a leading instance in its field; `the new policy will be a pacesetter in community relations`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=pacesetter

Pacesetter

The horse that is running in front (on the lead).
Found on http://www.encyclo.co.uk/local/21627

Pacesetter

[fishing vessel] The F/V Pacesetter was a {convert|127|ft} crab boat launched in 1976 Coastal Glacier. Pacesetter was reported missing i 1996 by the Seventeenth district US Coast Guard of Kodiak Alaska, The search ended with no sign of the boat or its seven man crew. The loss of the Pacesetter was noted as the Worst Sinking in the Alaskan 1
Found on http://en.wikipedia.org/wiki/Pacesetter_(fishing_vessel)
No exact match found