The assessment begins at a moderate intensity and builds gradually until sustainable race intensity is clearly defined. Throughout, our state-of-the-art mixing-chamber technology analyzes every breath to track oxygen use, fuel shift, and energy output at each stage.

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PRE-TEST:

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• Complete and submit your PARQ 48 hours before your scheduled appointment

• Consume a normal mixed diet in the 24 hours prior to testing

• Consume 1 g/kg of carbohydrate 2–3 hours before testing (low fat, low fiber)

• Avoid additional caloric intake in the final 60 minutes before testing

• Match planned race-day caffeine intake if applicable (timing and dose)

• Alcohol and tobacco must be avoided 24 hours prior to testing

• Ensure you are well hydrated

• Refrain from intense exercise 24 hours prior to testing

• Continue prescription medication as usual

• Dress appropriately in comfortable running attire

• ANT+ or BLE heart rate monitors can be supplied; you may bring your own

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POST-TEST:

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Results are delivered via email within 5 business days. please check your spam/junk folder.