Masters in Motion

Substacknewsletter · by Jason Grubb · English

Conversations for Competitive Masters Athletes.

Investigate Sign in to visit
Audience
8K subscribers
Shown publicly on Substack
Publishing
Monthly or less
4 posts indexed in the last 90 days
Last post
Oct 22, 2026
8 days ago
Likely audience
CrossFit athletes
Inferred from post content

Masters in Motion is a Substack newsletter by Jason Grubb covering CrossFit Games, CrossFit and Athletic Performance. NewsletterFIT indexed 4 posts from it in the last 90 days, most recently on Oct 22, 2026. Shown publicly on Substack: 8K subscribers. Sponsors detected in recent posts include Thirdzy.

Topics

Recent posts

  • The Masters…
  • The Man…
  • 🎙️ Episode…
  • 🎙️ Episode…
  • 🎙️ Episode…

Sponsors detected

Detected automatically from posts marked as sponsored. Detection can miss or misread placements.

See the full picture on Masters in Motion

Subscriber momentum over time, every detected sponsor with the source post, companies and people it mentions, guests, and an alert when any of it changes.

Start 7-day Pro trial

Similar newsletters

Ranked by how many topics they share with Masters in Motion.

  • HRV4Training's Substack45K subscribers

    SubstackMonthly or less · last post 25 days ago

    Likely audience: Endurance coaches

    1 shared topic

  • the morning shakeout15K subscribers

    SubstackEvery two weeks · last post 18 days ago

    Likely audience: Running enthusiasts

    1 shared topic

  • Weekly Hurdle5K subscribers

    SubstackEvery two weeks · last post 15 days ago

    Likely audience: Marathon runners

    1 shared topic

  • Christopher Clarey's Tennis & Beyond—

    SubstackEvery two weeks · last post 25 days ago

    Likely audience: Tennis fans

    1 shared topic

Compiled from public pages · refreshed Oct 22, 2026 · How NewsletterFIT collects and labels data