RB100 Fitness
Relentless Bravery
Fitness Magazine
A mindset. A movement. A reminder that fitness isn’t about perfection — it’s about showing up, pushing through discomfort, and staying brave when it counts.
Fitness mag
Latest stories
News · 28 Oct 2026
HYROX and World Triathlon Agree New Framework for Hybrid Racing
Wellness
W3Fit Malta 2026: RB100 Fitness Puts Its Wall Ball Counting Technology to the Test in HYROX Activation
16 Oct 2026
Cycling
Small Bike, Serious Workout: Racing the Brompton World Championship
18 Sep 2026
Nutrition
Pistachio, Berries and 80mg of Caffeine: Testing Red Bull’s New Winter Edition
18 Sep 2026
Mindset
Do Mushroom Vapes Contain THC? THC-Free Mushroom Vapes Explained
18 Sep 2026
Your next session
Workouts
15 min · Bodyweight
15-Minute Bodyweight Blast
No kit, no excuses: as many rounds as possible in 15 minutes of push-ups, squats, planks and burpees.
Beginner · AMRAP
20 min · Strength
20-Minute Plyometric Power
Jumps and throws for explosive power, done fresh with full recovery so every rep is fast.
Advanced · Straight sets
30 min · Fat loss
30-Minute Fat-Burning Circuit
Timed dumbbell intervals: 40 seconds on, 20 seconds off, to keep your heart rate up and your whole body working.
Beginner · Circuit
45 min · Cardio
45-Minute 800 m Repeats
Six 800 m reps at 5k–10k pace, the classic session for faster race times.
Intermediate · Intervals
Build towards your goal
Programmes
From your first 5k to stronger lifts and your next HYROX. Structured workouts, week by week.
4 weeks · General fitness
4-Week Beginner Starter
Three short sessions a week to build the habit, learn the basic lifts and get moving again.
Beginner · 3 sessions a week
6 weeks · Weight loss
6-Week Fat-Loss Kickstart
Four sessions a week mixing circuits, strength and easy cardio to start losing fat and keep it off.
Beginner · 4 sessions a week
8 weeks · 10k
8-Week 10k Plan
Speed, tempo and long runs plus one mobility day to run a strong 10k.
Intermediate · 4 sessions a week
Take on the 100 fitness challenges
Are you up for it?
100 Pull Rep Workout: Restore Balance and Build Resilient Strength
100 Second Interval Workout: Build Conditioning Without Burnout
100 Calorie Hybrid Workout: Learn to Pace Under Fatigue
100 Push-Up Progression Challenge: Build Upper-Body Control
100 Metre Carry Challenge: Build Real-World Strength and Capacity
100 Squat Fitness Challenge: Build Strength Through Quality
100 Minute Aerobic Training Challenge: Build Your Hybrid Engine
Join the 2025 SkiErg World Sprints (1000m Challenge)
Your Ultimate Fitness Benchmark - Combine 10 RB100 Challenges Into 1 Relentless Test
100 Sandbag Shouldering Reps (For Real-World Strength)
100 Weighted Step-Back Lunges (Dumbbells, Barbell or Sandbag)
100 Overhead Wall Ball Throws (Target for Height or Distance)
Check out our exercise library
Need exercise inspiration?
Air Bike (Assault Bike)
Barbell Back Squat
Barbell Bent-Over Row
Barbell Bulgarian Split Squat
Barbell Clean
Barbell Clean & Jerk
Barbell Front Rack Carry
Barbell Front Rack Lunge
170 exercises with technique cues, common faults and fixes.
Check out our HYROX article series
Caught the HYROX bug?
Hot posts ✱
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Race calendar
Upcoming events
HYROX
INTERSPORT HYROX Hamburg
Hamburg, Germany
HYROX
TRAINSWEATEAT HYROX NICE
NICE, France
HYROX
COMMANDO HYROX Mexico City
Mexico City
DEKA
2026 DEKA FIT & Ultra - Toronto, ON
Mississauga, Canada
HYROX
HYROX Youngstars Birmingham
United Kingdom
Updated regularly
Strength
Updated regularly
Cardio
Updated regularly
Sport
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Train with RB100 Studio
Log your challenges, track your progress and build your next session in RB100 Studio.