Career
In 1935, his first years as a professional, Barlow was 9th in the Tour of Gippsland over 140 miles (230 km) off a handicap of 41". He was then 4th in the Phillip Island Grand Prix over 55 miles (89 km). He also rode the Warrnambool to Melbourne off a handicap of 9", finishing 50th.
Despite his prominence as a road rider, Barlow never featured in the results of the Warrnambool.
While best known for his road racing, he also competed on the track. He just beaten by Thurgood and, Moritz in the sprint for the line in the Sale Grand Prix of 100 miles (160 km).
Barlow was third fastest in the Goulburn to Sydney in 1938, behind Bill Moritz. In 1939 Barlow narrowly defeated Moritz in the Melbourne - Bendigo race over 92 miles (148 km) with a handicap of 6".
He was third to Dean Toseland in the Sale Grand Prix, and rode well in the Tour of Gippsland.
He was initially suspended for one month for accepting assistance from a rider who had abandoned, threatening his participation in the Sydney six-day race. At the end of the year he was rated as the 7th best professional road rider in Australia. He defeated Keith Thurgood, Les Dunne and Max Rowley in a new course record.
In late 1947 Barlow broke a series of unpaced road records, starting with the record for 25 miles (40 km) out and home in 1hr 1" 17" breaking the time of Frankie Thomas from 1933.
He followed that up with records for 50 miles (80 km) out and home in 2hr 11" 10", riding the first 25 miles (40 km) in 56" 25". He then set his sights on the 100 miles (160 km) record which he set with a time of 4hr 39" 12" on December 15.
In May 1948 Barlow traveled to England and then to France where he competed in the Grand Prix des Nations, an individual time trial over 140 km (87 mi), the Esperazza Grand Prix and the Nantes Grand Prix. Barlow was reported to have entered the 1949 Paris–Roubaix, however it is unclear if he started the race.
In any event he did not finish.
In 1949 he was riding the United States, with his first objective a transport America record attempt, but was delayed by snowfall in Arizona.