Athletics at the 1912 Summer Olympics Athletics at the 1912 Summer Olympics These are the results of athletics competition at the 1912 Summer Olympics. 30 events were contested, all for men only. The athletics programme grew by 4 events since the 1908 Summer Olympics. The 5000 and 10000 metre races were introduced, as the 5 mile event was eliminated. The 400 metre hurdle event made a brief disappearance, making the 1912 Olympics the only time that event was not held since its introduction in 1900. The 4x100 and 4x400 relays replaced the medley relay while the team race was shortened from 3 miles to 3000 metres.
Puerto Rico at the 2008 Summer Olympics States in the wake of the Spanish–American War in 1898. Puerto Ricans were granted American citizenship in 1917, although it remained apart from the United States and has a constitution that provides for self-government. 41 years after Puerto Ricans became American citizens, Puerto Rico sent its first delegation to the Olympics at the 1948 Summer Olympics in London, England. The American commonwealth has sent a delegation to all sixteen Summer Olympics between then and the 2008 Beijing Olympics in addition to six Winter Olympic games. Between its 1948 debut and its arrival at the Beijing Olympics, Puerto Rican athletes had