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The Over The Boards blog

What our data and the science actually say about beer-league hockey — no hype, no fake speed metrics.

How to choose a hockey shift tracker

A buyer's guide to shift and ice time trackers: what to actually look for, which claims to ignore, and how to tell an honest tracker from a marketing number.

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How long should a hockey shift actually be?

Shift length is the most argued number in beer league. What the data and the physiology say — and why "shorter" isn't the whole story.

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Heart rate recovery, explained for beer leaguers

The number on the bench matters more than the number on the ice. How to read your between-shift recovery — the honest metric the category ignores.

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Why a wrist can't measure your top speed indoors

Every competitor shows a km/h number. A wrist can't measure it honestly. What actually happens inside a rink — and what we'd rather show you.

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What 1Hz heart rate can — and can't — tell you about your game

One sample per second is rich enough for shifts and recovery, but it's not a lab ECG. The honest limits of the data your watch actually records.

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Sleep, resting heart rate, and readiness: the numbers that matter

Readiness isn't a magic score. It's sleep-derived resting heart rate and a trend — and knowing what it can't tell you is part of using it well.

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Ice time: the number every player wants, and why it's rarely measured right

Everyone wants their ice time. Almost nobody measures it correctly — most apps report total session time and call it a game. On-ice basis matters.

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How we validate our shift detection against real games

We tuned our detection engine against actual captured games, with a replay pipeline for every change. A transparent look at how the engine is built.

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