Does anyone know from who and when this originated? I can only find a brief description of it at..
http://users.compaqnet.be/cn000760/trai ... fe-2a.html
a circuit of 1 to 2 km with 8 to 10 training stations and with hard running between the stations)
http://users.compaqnet.be/cn000760/trai ... fe-2a.html
a circuit of 1 to 2 km with 8 to 10 training stations and with hard running between the stations)
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