it turned out that the person practising on the dartboard was no less than the paladin of the premier dairies portslade and district darts league division one , reg sprake , known to all as sprinter , a nickname he had acquired not only for the fast delivery of his darts , but also for famously and unfailingly finishing first in the track events held at the velodrome in preston park , and no , he did not find it a bit repetitive .