Contact us:

Do you have questions? Let us know and get in touch with us 

1060 Via Carina

Vista, CA 92081


Tel: 401-440-0878

The Team



Tom and Carolynn Petranoff

Thomas and Carolynn Petranoff are co owners TZA LLC. They started the turbojav program in South Africa in 1990. Carolynn is the Financial Director and business manager. They have been together since high school. Married 33 years, and have four daughters. Shannon, Whitney, Leigh and Kelly. They live in Vista California. Tom is a former world record holder (99.72m) in the javelin throw, owner of Throwing Zone Athletics, and the inventor of the Turbojav. While Tom’s sports background is well documented. He is a three-time Olympian, has held two world records and was ranked in the top 10 world rankings for javelin 17 straight years as an elite athlete.


© Turbojav 2020