Weekly Newsletter 5 August 2026

This week's newsletter has interesting articles, including a complete guide to heart rate zone training, and the Norwegian training method simplified.

Interesting Articles

Heart rate zone training: complete guide for runners and cyclists

This guide at Sport Coaching covers the five heart rate zones, three methods for calculating your maximum heart rate, the Karvonen formula for more precise zone setting, why Zone 2 is the most important zone for endurance athletes, and the specific differences between running and cycling zones.

The Norwegian training method simplified

The Norwegian Method isn’t just double-threshold days and lactate testing; it’s about accumulating more controlled threshold work. Here’s how athletes of all levels can apply it. Read about it at Training Peaks.

The real reason you get runner’s trots

If you get that urge to go when you're running or racing, you'll want to read this.

A 10-minute arm workout for your strength days

Squeeze in a quick upper-body workout with these combo exercises at Runners World.

Recent updates

To find out what's been recently updated, check the recent updates page regularly for date changes, event postponements and cancellations. Check out the full calendar of upcoming events.

Until next week...

Have a great running week!

Cheers,
Jane, Chris & Sam
The Running Calendar Team