Threshold Racing Inc. along with the Silicon Valley Triathlon Club are proud to bring you the Norcal Kids Triathlon Series to further the introduction of triathlon to children in the community. This year we will proudly present three separate kids triathlons. Silicon Valley Kids Triathlon, Menlo Park Kids Triathlon and Santa Clara Kids Triathlon. The events are open to children ages 5 through 14. The triathlons are offered in multiple distances based on the age group of the competitor.