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
Carl Friedrich Emil von Ibell Carl Friedrich Emil von Ibell Carl Friedrich Justus Emil von Ibell (29 October 1780 – 6 October 1834) was a senior government official ("Amtmann") who famously survived an assassination attempt in 1819, and who ended up as president of the government in Hesse-Homburg which by this time was part of the German Confederation. The Ibell family had originated in France, but they were Protestants, and so following the revocation of the Edict of Nantes in 1685 they left their homeland to build a new life in Germany. Carl Ibell was his parent's only recorded son, and their fourth recorded child,