Oura Ring adds cardio fitness tracking

Oura's smart rings now automatically track VO2 Max and measure cardiovascular strain during workouts.

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Oct 20, 2026

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Oura Ring adds cardio fitness tracking

Oura's smart rings now automatically track VO2 Max and measure cardiovascular strain during workouts.

In brief

Oura's smart rings now automatically track VO2 Max and measure cardiovascular strain during workouts. Oura announced two new fitness features for its smart rings: Cardio Effort to measure workout strain and automatic VO2 Max estimation, bringing it closer to competitors like Apple Watch and Fitbit. Originally reported…

Oura adds cardio effort tracking

Oura announced a new Cardio Effort feature that measures how much strain the wearer puts on their body during activity. The metric offers five ranges: light, fair, maintaining, building and reaching.

VO2 Max now automatic

Oura's smart rings will automatically estimate VO2 Max stats during regular GPS-enabled workouts. Previously called Cardio Capacity, the feature required a six-minute walking test to enable.

Oura catches up to rivals

Oura catches up to rivals

The new features make Oura competitive with Apple Watch and Fitbit, which have tracked similar cardio metrics for some time. The ring form factor may appeal to people who prefer rings to watches or bracelets.

The main idea

Oura announced two new fitness features for its smart rings: Cardio Effort to measure workout strain and automatic VO2 Max estimation, bringing it closer to competitors like Apple Watch and Fitbit.

Read the original on Engadget

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