Relentless: From Good To Great To Unstoppable Apr 2026

Grover categorizes every competitor into three distinct archetypes based on their mental drive and response to pressure:

In his book , legendary trainer Tim Grover breaks down the brutal psychological landscape of elite performance. Drawing from his work with icons like Michael Jordan and Kobe Bryant, Grover argues that true greatness isn't about physical talent alone; it’s about a specific, uncompromising mindset he calls being a "Cleaner" . The Three Tiers of Success Relentless: From Good to Great to Unstoppable

Relentless: From Good to Great to Unstoppable by Tim S. Grover it’s about a specific