Discipline newsletters

NewsletterFIT tracks 4 newsletters that cover Discipline as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Better You (162K), Zach’s Substack (8K) and Marathon Members Newsletter 🗞️ (7K).

Updated Oct 31, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Better You162K subscribers

    SubstackEvery two weeks · last post 29 days ago

    Likely audience: career changers

  2. 2
    Zach’s Substack8K subscribers

    SubstackWeekly · last post 24 days ago

    Likely audience: entrepreneurs

  3. 3
    Marathon Members Newsletter 🗞️ 7K subscribers

    SubstackMonthly or less · last post Jul 27, 2026

    Likely audience: Self-improvement enthusiasts

  4. 4
    Finishing Lines—

    SubstackMonthly or less · last post Aug 5, 2026

    Likely audience: writers and authors

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