"Deichmann: Because I Can!" is the captivating biography of extreme athlete Jonas Deichmann, who redefines the limits of what is possible with his impressive Challenge 120. This book tells the story of a man who swims 3.8 km, cycles 180 km, and runs 42.2 km every day for 120 days. Deichmann, who has already set several world records, takes readers on his journey, which begins on May 9, 2024, at the DATEV Challenge Roth. In addition to the thrilling narrative, the book offers exclusive insights into the training, nutrition, and challenges associated with such an endeavor. Authentic photographs document his adventures and inspire readers to push their own boundaries. This book is a valuable read not only for sports enthusiasts but also for anyone interested in motivation and discipline.