In 1977, he joined the professional international circuit after taking first place in the West Coast Junior Championships.
In his first event in South Africa, he finished in a tie for 15th place, Shaun Thompson would go on to take first.
In 2000, Sarlo placed 5th in the Quicksilver's World Masters, held in Hossegor, France.
He won the Malibu International in both 2008 and 2009.

Sarlo has been sponsored by Body Glove, Quiksilver, Channel Island Surfboards, Jeff Ho Surfboards and Zephyr Productions.

By the 1980s Allen had finished surfing the Pro-Tour and went into a career in real estate.
In 1977, he joined the professional international circuit after taking first place in the West Coast Junior Championships. In his first event in South Africa, he finished in a tie for 15th place, Shaun Thompson would go on to take first. In 2000, Sarlo placed 5th in the Quicksilver's World Masters, held in Hossegor, France. He won the Malibu International in both 2008 and 2009.
Sarlo has been sponsored by Body Glove, Quiksilver, Channel Island Surfboards, Jeff Ho Surfboards and Zephyr Productions.
By the 1980s Allen had finished surfing the Pro-Tour and went into a career in real estate.
Allen Sarlo