Signal blog
Training intel.
2026-05-08
The Race Week Mistakes That Actually Cost You Time
Most race week advice is about what to add. The real gains come from what you stop doing. Most runners get this backwards.
2026-05-07
Fitbit Air Just Launched. Here's the Real Question.
Google's $99 WHOOP competitor dropped today. The device looks solid. But the harder question isn't which tracker to buy. It's what you're actually going to do with what it tells you.
2026-05-06
What Your Recovery Data Is Actually Telling You (And What It's Not)
Wearables have made it easy to track recovery. They've also made it easy to misread it. Here's what the numbers mean and when to ignore them.
2026-05-04
Consistency Is the Only Training Variable That Actually Matters
Not your VO2max. Not your long run. Not what shoes you're wearing. The runners who improve are the runners who keep showing up. There's a reason for that.
2026-05-01
Why Your Easy Runs Are Probably Too Hard
Most recreational runners spend nearly all their time in the wrong zone. Too hard to recover from, too easy to adapt to. Here's what the data actually says.
2026-04-22
The Recovery Metric Elite Runners Check Every Morning
Heart rate variability isn't a fitness metric. It's a readiness metric. Here's what it's actually measuring, why it matters, and how to use it to train smarter.
2026-04-10
Are You Actually Ready for Race Day? Here's How to Tell
Race fitness isn't a gut feeling. There are real signals in your training data, your recovery metrics, and your recent workouts that tell you whether you're on track.