 Cambridge were coached by R. W. M. Arbuthnot ( who had rowed for Cambridge four times between 1909 and 1912 ) , J. A. MacNabb ( who had rowed in the 1924 race ) and P. H. Thomas ( a four @-@ time Blue between 1902 and 1905 ) . Oxford 's coaches were A. V. Campbell ( who took part in the 1922 and 1925 races ) , Stanley Garton ( who had rowed three times between 1909 and 1911 ) and P. C. Mallam ( a Dark Blue from 1921 to 1924 inclusive ) . The race was umpired by former Cambridge rower John Houghton Gibbon who had participated in the 1899 and 1900 races . 
