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 Paleček working on the Saturday before his death. In 1961, Paleček was awarded the Jaroslav Heyrovský award for best young scientist. In 2011, he received the Education Minister's award. In 2014, Paleček was awarded the (Czech Head) award. In 2017, he was one of seven Czech scientists awarded the Cenu Neuron (Neuron Prize) for their contributions to science. Paleček became ill after having a stroke whilst swimming. He died two days later on 30 October 2018. His death was announced by fellow scientist Eduard Kejnovsky, who worked as Paleček's public relations officer. Emil Paleček Emil Paleček (3 October 1930 – 30