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 · 29 Oct 2026
HYROX Partnership Opens Door to New Formats and National Titles
News
HYROX and World Triathlon Agree New Framework for Hybrid Racing
28 Oct 2026
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
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-Metre Suitcase Carry Challenge: Stay Tall Under Load
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)
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
171 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
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
HYROX
HYROX Dublin
Dublin, Ireland
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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.