EXERCISE MEASUREMENT RECORD An educational estimate, not a drinking prescription or diagnosis. Session / date / activity / conditions: Period begins and ends / elapsed minutes: Scale and comparable clothing / measurement method: Before body mass kg: After body mass kg: Fluid actually swallowed in the period mL: Urine passed in the period mL (known zero or unknown): Food, wet clothes, delays, missed events or other limitations: Estimated sweat loss L / equation shown: Estimated sweat rate L/hour / equation shown: What is measured, estimated or unknown: Question for a qualified sports professional if needed: Do not use the result as an hourly or daily drinking target.