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 Viklický Emil Viklický Emil Viklický (born November 23, 1948 in Olomouc) is a Czech jazz pianist and composer. Viklický graduated from Palacký University in 1971 with a degree in mathematics. As a student he devoted a lot of time to playing jazz piano, and in 1974, he was awarded the prize for best soloist at the Czechoslovak Amateur Jazz Festival. The same year he joined Karel Velebný's SHQ ensemble. In 1976, he was a prizewinner at a jazz improvisation competition in Lyon, and his composition "Green Satin" () won first prize in a music conservatory competition in Monaco. In 1985 his