What Gear Is Allowed & Not Allowed During The CYCLING Portion Of The Triathlon?

Illegal Equipment: Any participants who any time uses, wears, or carries a headset, radio, headphones, personal audio device, or any other item shall be assessed a variable time penalty.

Marin Triathlon adheres to USA-Triathlon rules and regulations. For more information on USA-T rule-sets, read here: https://www.usatriathlon.org/multisport/rules