Resources

Articles, guides, and insights for endurance coaches.

Simma GuidesMarch 23, 2026

How to Review and Edit a Weekly Summary Before Sending

Simma drafts your weekly athlete summaries. You review, edit, and send. Here's how to make the approval step fast and effective.

Training & PerformanceMarch 18, 2026

Heat Stress and Your Training: What the Temperature Isn't Telling You

A 28°C day can hit harder than a 32°C one. Here's how heat stress actually works, how it affects your training load, and how Simma uses it to coach smarter.

Simma GuidesMarch 17, 2026

How to Create a Simma Coaching Account

Set up your Simma coaching account in a few minutes. Here's what to expect and how to get your profile ready before inviting athletes.

Simma GuidesMarch 17, 2026

How to Invite Athletes Using Your Coaching Link

Your coaching link is how athletes join your Simma squad. Here's how to share it, what athletes see when they sign up, and how onboarding works.

Simma GuidesMarch 17, 2026

How to Set Up Your Weekly Summary Agent So It Sounds Like You

Simma's weekly summary agent already knows how to write a coaching email. Here's how to make it write like *your* coaching email.

Athlete CommunicationMarch 16, 2026

How to Write Effective Weekly Athlete Summaries (Without Spending Hours)

Weekly summaries are the highest-value touchpoint in coaching — and the first thing to go when your squad grows. Here's how to write ones that actually land.

Simma GuidesMarch 14, 2026

How to Read Your Monday Pre-Screen Dashboard

Simma's Pre-Screen dashboard shows you who needs attention before you open a single session file. Here's how to read it and what to do with what you see.

Training & PerformanceMarch 10, 2026

Training Status Explained: What On Track, Building, and Overreaching Actually Mean for Coaching

Form scores tell you where an athlete is right now. Training status tells you whether you should be worried about it. Here's how it works — and why it matters across a squad.

Coaching BusinessMarch 5, 2026

How to Scale an Endurance Coaching Business Without Sacrificing Quality

Growing your coaching business doesn't have to mean worse coaching. Here's how endurance coaches are scaling past 20 athletes without becoming a plan factory.

Squad ManagementMarch 5, 2026

How Many Athletes Can One Coach Realistically Manage?

Most endurance coaches hit a quality ceiling at 20-30 athletes. Here's the math behind the bottleneck — and what actually breaks first.

Training & PerformanceMarch 5, 2026

Training Load Explained: ATL, CTL, TSB and What They Actually Mean for Coaching

ATL, CTL, and TSB don't have to be confusing. Here's what training load metrics actually mean — and how to use them to coach smarter across your squad.