RB100 Fitness
ArticlesChallengesWorkoutsProgrammesExercisesEventsGlossaryStudio
  1. Home
  2. Authors
  3. Matthew Grimshaw
Back to authors
M

Author

Matthew Grimshaw

By Matthew Grimshaw

Group of athletes cheering each other through the last few wall balls

Article · 8 Oct 2025

The SISU Mentality: How to Stay in the Fight When It Hurts

Athletes performing sled pushes, carries, and burpees in a gritty gym — chalk in the air, focused intensity, and a coach motivating in the background

Article · 8 Oct 2025

Why Functional Fitness Beats Fancy Programming

Athlete mid-HYROX race, grit and focus on their face, pushing a sled across the floor surrounded by cheering crowd — captured under bright competition lighting with energy and intensity

Article · 8 Oct 2025

How to Pace Every HYROX Station (and Avoid Blowing Up Mid-Race)

Athlete standing at the HYROX start line, nervous but focused, surrounded by competitors — bright lights, race banners, energy and anticipation in the air

Article · 1 Oct 2025

From Couch to HYROX: Your Complete Beginner’s Guide to Race-Day Success

RB100 Fitness

Relentless Bravery. Fitness journalism, challenges, technique and hybrid race discovery.

ArticlesChallengesWorkoutsProgrammesExercisesEventsGlossaryAuthorsStudio

© 2026 RB100 Fitness