Skipper of the Pasai San Pedro rowing crew. In 1899, as a rower, he won his first flag. In 1910, already a skipper, he competed in two regattas on the same day, one in the morning and the other in the afternoon. He came second in the first and first in the second. In 1921, he was the coxswain of the crew called ‘la Unión’, formed Pasai Donibane and Pasai San Pedro, which won the flag. In 1927, 1928, 1929, 1930, 1931 and 1932, he won the honour flag for six consecutive years. For this unprecedented feat, the San Sebastián City Council awarded him an honorary sash. The rowers under his command, unless we have forgotten any, were: Manuel Arrillaga, his son; Dionisio Arrillaga, his son; Antonio Arrillaga, his son; Paulino Arrillaga, his nephew; Mikel Arrillaga, his nephew; Felipe Otazo; Gabino Otazo; Gabriel Inda; Bizente Etxeberria; Santiago Korta; Frantzisko Betialde; Karlos Mendizabal; Jose Bikuña; Blas Korta and Frantzisko Mendizabal. In 1945 he won the flag again. Father Mañuel's brothers were Saturnino, Enrique and Jose, all from Pasai San Pedro and from a family that had been long established there.
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