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 Urbel Emil Urbel Emil Urbel (born 13 November 1959 in Pärnu) is an Estonian architect. Emil Urbel studied in the State Art Institute of the Estonian SSR (today’s Estonian Academy of Arts) in the department of architecture. He graduated from the institute in 1982. From 1984 to 1989 Emil Urbel worked in the state design bureau Eesti Projekt (Estonian National Design). From 1989 to 2000 he worked in the architectural bureau Urbel&Peil OÜ. From 2000 to present he works in the architectural bureau Emil Urbel OÜ. Emil Urbel is most notable for his numerous single-family homes. Most notable public buildings by