Halbmarathontrainer für Anfänger: Das 14-Wochen-Programm zum Abschluss einer Halbmarat
29,71 €
Beginner's Half-Marathon Trainer. Jon Ackland is an exercise physiologist with 15 years experience in sports training both in New Zealand and overseas. The half-marathon is booming in popularity and it's easy to see why.
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