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  1. ZONE3.com - The Worlds Highest Rated Triathlon Brand

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  2. Zone 3 Training: What It Is, Benefits, Downsides, and More

    Apr 15, 2025 · Don't let fear of plateauing allow you to skip zone 3 training. Here's everything you need to know about maximizing the benefits and avoiding the pitfalls.

  3. What Is A Zone 3 Run? - The Running Channel

    Jun 27, 2025 · Zone 3 running is a steady ‘comfortably hard’ effort which can help to improve your aerobic endurance. Zone 3 runs can increase your lactate threshold, meaning you can run harder for …

  4. Zone 3: Why, When, and How Leverage Zone 3 Training - CTS

    Feb 4, 2025 · The idea that Zone 3 is a “grey zone” in training has been debated extensively in endurance sports. Some coaches and athletes label it as such because of its position between low …

  5. Everything You Need to Know About Zone 3 Cardio - Peloton

    Feb 6, 2025 · Zone 3 cardio involves exercising at an intensity that increases your heart rate to 70 to 80 percent of your max. Learn about Zone 3 benefits and how to try it.

  6. Why Zone 3 Cardio Is Just As Good As Zone 2 - Lifehacker

    Dec 30, 2025 · But what happens when your heart rate spikes into zone 3, whether when you're on a run or doing cardio at the gym? Surprise: You don’t lose the benefits of zone 2 training. Zone 3 is...

  7. [Ultimate Guide] Zone 3 Training: Sweet Spot or Grey Zone? - INSCYD

    Some refer to zone 3 training as sweet spot training while others call it the grey zone. This article reveals what zone 3 training is and when you should or shouldn’t implement it into your endurance training …

  8. Zone 3 Training: What to Know About Tempo Workouts - Bicycling

    Oct 3, 2024 · One effort level to get to know: zone 3 a.k.a. tempo pace. This pace sits above your endurance zone —the conversational, go-all-day pace—but below your threshold —the hard pace …

  9. Zone3 Triathlon Clothing, Triathlon Gear and Wetsuits

    Zone 3 is from the UK. Zone 3 was started in 2007 by triathlete James Lock and found success quickly with the 2009-2010 Vanquish and Aspire wetsuits receiving 9/10 and 10/10 respectively in 220 …

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