Keep­ing an eye on the track of events

China Daily (Hong Kong) - - CHINA - By TANG YUE

In April, the As­so­ci­a­tion of UK Course Mea­sur­ers de­clared that from 2013 to 2015 the course for the Greater Manch­ester Marathon in the United King­dom had been 380 me­ters short, and the times of the 24,000 run­ners would be in­val­i­dated.

Although it’s well-known that a full marathon course is 42.195 km long, how do or­ga­niz­ers en­sure that the length of each race con­forms to the reg­u­la­tions and avoid the er­ror that blighted events in Manch­ester?

Zhao Pu, one of just three B-Class marathon mea­sur­ers from the Chi­nese main­land ac­cred­ited by the In­ter­na­tional As­so­ci­a­tion of Ath­let­ics Fed­er­a­tions, has mea­sured more than 100 marathon cour­ses.

The 43-year-old said the equip­ment he uses isn’t so­phis­ti­cated, con­sist­ing as it does of a bi­cy­cle and a Jones Counter, a sim­ple geared de­vice that counts the rev­o­lu­tions of a bi­cy­cle wheel.

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