adidas Running on Twitter: "8 of the 10 fastest women to finish @berlinmarathonE wore adizero adios #boost. Join the elite http://t.co/vOFoN2mUri http://t.co/6emzFGQ5rL" / Twitter
adidas Running on Twitter: "In a running shoe built for personal bests, Tirfi Tsegaye raced to victory in the 2014 Berlin Marathon wearing the adizero adios Boost 2.0. Her PB and competition