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 Seifert Emil Seifert Emil Seifert (28 April 1900 - 20 October 1973) was a Czech football manager and former player. Seifert played for three teams based in the city of Prague. He won the Czechoslovak First League with Slavia Prague in 1925, 1929 and 1931. Seifert was a member of the Czechoslovakia national team and participated at the 1920 Summer Olympics and 1924 Summer Olympics. After finishing his active career, Seifert started to work as a football manager. He coached most notably Slavia Prague. Under his management, Slavia won the Czechoslovak First League four times, in 1940, 1941, 1942 and 1943.