<p>Taken at the Cumberland County Fair grounds.  Horse racing is the only event on this day.  Everything else was being packed up.  This gentleman is giving his horse some exercise and as he does he sings and hums to his horse.  He was the only one on the track at this time.  I tried a bunch of pans at slow exposures but they were uniformly awful.  This was one of the more successful shots.  Also the sun was very harsh and I did a BW version also for comparison.
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<pre> I have never actually attended a horse race.  I believe this is a pacer as described below.  
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<p>Harness racing is a form of horse racing in which the horses race at a specific gait (a trot or a pace). They usually pull a two-wheeled cart called a sulky, although racing under saddle (trot monté in French) is also conducted in Europe.
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<pre> Only Standardbreds race in the US.  Standardbreds are so named because in the early years of the Standardbred stud book, only horses who could trot or pace a mile in a standard time (or whose progeny could do so) of no more than 2 minutes, 30 seconds were admitted to the book.[1] Today, most harness races are won by Standardbreds who post times of 2 minutes or less.[citation needed] The horses have proportionally shorter legs than Thoroughbreds, and longer bodies.
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  Races can be conducted in two differing gaits – trotting and pacing. The difference is that a trotter moves its legs forward in diagonal pairs (right front and left hind, then left front and right hind striking the ground simultaneously), whereas a pacer moves its legs laterally (right front and right hind together, then left front and left hind).  In continental Europe, races are conducted exclusively among trotters, whereas in Australia, Canada, New Zealand, the United Kingdom and the United States races are also held for pacers. (Wikipedia)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/12357841@N02">Paul VanDerWerf</a> from Brunswick, Maine, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/pavdw/15245945510/">Pacer</a>