Fitter Radio Triathlon Podcast24 Nov 2025

#645 - NIX Hydration Biosensors. Tri News and Race Reviews

Tim prepares for GODZONE.

We catch up on the racing from the weekend plus we look ahead to the T100 Qatar start list.

Meridith Cass is the Founder and CEO of Nix Biosensors, a company that develops wearable sensors to monitor hydration by measuring sweat. The Nix Biosensor provides real-time data on sweat loss, electrolyte loss, and sweat composition to help athletes and others optimize hydration for performance and health.

In this conversation, Tim Brazier and Meridith Cass delve into the science of sweat and hydration, discussing the Nix Hydration Biosensor. They explore the importance of accurate hydration monitoring for athletes, the variability in sweat loss and the implications of dehydration on performance. Meridith shares insights on how the biosensor functions, its accuracy, and the significance of electrolyte balance. The discussion also touches on the future of hydration technology and its applications beyond endurance sports.

(0:00:00) – Tim prepares for Godzone

(0:17:12) – Laguna Phuket Tri

(0:20:25) – Start list for Qatar

(0:23:29) – IRONMAN Cozumel

(0:28:05) – Hydration and racing in the heat

(0:37:22) – NIX Biosensors

LINKS:

Nix Biosensors at https://nixbiosensors.com/

Godzone Adventure Race at https://godzoneadventure.com/

Laguna Phuket Triathlon at https://www.lagunaphukettri.com/

IRONMAN Cozumel at https://www.ironman.com/races/im-cozumel

Alan McCubbin study "Sodium intake for athletes before, during and after exercise: review and recommendations" at https://performancenutrition.biomedcentral.com/articles/10.1186/s44410-025-00011-9

Buy the Nix Biosensor from Infinit Nutrition Australia at https://www.infinitnutrition.com.au/nix-hydration-biosensor

T100 Qatar at https://t100triathlon.com/qatar/participate/

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