Held in the last week of April every year, this race attracts professional and amateur triathletes from around the world.

Only three years later he became a professional triathlete.

Five years later, in 2009, Stampfli embarked on a new career as a professional triathlete.

In addition to professional triathletes, the triathlon event features competition among amateur athletes as well.

Since 2008, Adam has been a professional triathlete.

She spent eight years as a professional triathlete.

He competed in 13 countries and 27 states during his career as an amateur and professional triathlete.

The federation lists 450 professional triathletes, but only 60 or so actually earn their living from the sport.

The first 3-year-old participant in the Silicon Valley race's 6-and-under division was the daughter of professional triathletes, he said.

She left this job in February 2007 in order to become a professional triathlete.