Larcombe twice won the Australian national road race title by winning the Blue Riband for the fastest time in the Warrnambool to Melbourne Classic in 1904 [1] and 1907.[3] In 1904 Larcombe finished second off a handicap of 20 minutes, riding the 165 miles (266 km) in a time of 7h 48' 7" and his prizes were a Speedwell bicycle for finishing 2nd and a Massey-Harris bicycle for the fastest time. In 1907 Larcombe was riding from scratch in a new course record of 7h 40' 10" and his prize for the fastest time was another Massey-Harris bicycle. In 1908 Larcombe was unable to repeat his earlier success, finishing 87th after losing 16 minutes due to a puncture.[5] He continued to compete in the Warrnambool finishing 89th in 1909 [6] and 67th in 1910.[7]
In 1906 Larcombe won the Bathurst to Sydney covering the 133.5 miles (214.8 km) in 9h 11' 5".[2]
Larcombe lived in Goulburn and was a regular competitor in the Goulburn to Sydney Classic. He only set the fastest time once, in 1908, riding from scratch, setting a new course record of 6h 35' 56" for the 131.5 miles (211.6 km).[4] His prize? Another Massey-Harris bicycle. He also received his expenses to travel to the Warrnambool to Melbourne. In 1904 Larcombe finished 3rd and had the 2nd fastest time behind Jack Arnst.[8] In 1905 Larcombe finished well back in 36th.[9] In 1906 Larcombe was the lone scratch rider and his arrival was not officially recorded, having been 1h 20' behind the leaders at Liverpool.[10] Larcombe was 22nd in 1907 [11] and 32nd in 1909.[12]