Track spikes Emil Zatopek, a distance runner from Czech Republic, wore them during the 1952 Olympics in Helesinki. The front of the sole features a rigid or semi-rigid spike plate containing between 3 and 9 threaded holes called spike wells. Spikes can be screwed into each well using a spike wrench. Recently, some individuals have attempted to add a "through hole" at the bottom of the spike to make them easier to tighten, remove, and install. Some shoes have permanent or "fixed" spikes which are not meant to be removed. Spikes may break during competition. Track shoes are exceptionally light, some shoes
Emil Hlobil Emil Hlobil Emil Hlobil (11 October 1901 – 25 January 1987) was a twentieth century Czechoslovakian composer and music professor based in Prague. Hlobil was born in Veselí nad Lužnicí, but lived most of his life in Prague. Between 1924 and 1930 he studied at the Prague Conservatory under Josef Suk and Jaroslav Křička, and taught music and composition at the Prague Academy of Performing Arts. He also taught at the Prague Conservatory (1941–58) before moving to the Academy. He married Czech painter Marie-Hlobilová Mrkvičková, and after World War II they bought a cottage in the Krkonoše mountains as a