Consumers can watch events and will also be able to look up athlete profiles.

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Key features include results, live updates, calendar schedule, details of sports, medal tables and athlete profiles.

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While NBC Olympics Live Extra will be the mobile and tablet home for live stream content, the NBC Olympics app will be the home for everything else Olympics, including short-form highlights, event schedules, TV and online listings, results, athlete profiles, columns and the new Primetime Companion feature.

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Biological profiles are built up by collating an athlete's drug test results over time, therefore making it easier to detect differences which could indicate the use of a banned substance.

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