Blog Posts

ECG vs. PPG explained by an expert analyst. We compare accuracy, latency, and comfort to decide if you need a chest strap or if a wrist sensor is enough for your 2026 training goals.

Optical sensors lag. Chest straps don't. We test the 2026 market leaders to find which sensors actually keep up with your pulse during max-effort intervals.

After three months of trail running and iron pumping, we test if the Oura Ring Gen 3 still holds the crown for recovery tracking in 2026.

A wilderness guide's breakdown of VO2 max in 2026. Learn how to measure aerobic capacity, interpret the data from modern wearables, and implement proven protocols to boost your engine for the trail and gym.

Breaking report: 2026 brings a seismic shift in fitness tech. We analyze how new predictive algorithms are replacing reactive data, and what it means for your training load.

A ruthlessly practical guide to the top sleep trackers of 2026. From the Oura Gen 4 to the Whoop 5.0, we analyze sensor accuracy, battery life, and data actionable for recovery.

Stop training blind. Learn how to utilize heart rate zones to build a massive aerobic base, burn fat efficiently, and optimize your 2026 training block.

A rugged, hands-on analysis of the Whoop 4.0 in the 2026 market. We test strain accuracy, recovery metrics, and the subscription value for serious athletes.

A head-to-head analysis of 2026's top minimalist trackers. We compare data fidelity, form factor, and durability to decide if a ring or strap belongs in your home gym setup.