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
Cardio · 31 Oct 2026
The Long Run for Hybrid Athletes: Build Endurance Without Chasing Pace
Strength
How Much Strength Training Is Enough for Hybrid Athletes?
30 Oct 2026
Articles
RED-S Warning: Why Under-Fuelling Can Undermine Hybrid Training
30 Oct 2026
Articles
Yoga or Pilates? Running Experts Weigh Up the Benefits for Hybrid Athletes
30 Oct 2026
News
Chris Hinshaw Urges HYROX Beginners to Build Before They Push
29 Oct 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 Calf Raises: Keep Every Rep Controlled
100 Glute Bridges: Lift with Control
100-Second Wall Sit Challenge: Hold Your Position
100-Second Single-Leg Balance Challenge: Stand Steady
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
Check out our exercise library
Need exercise inspiration?
Hamstring Walkout
Dead Bug
Seated Dumbbell Calf Raise
Running
Single-Leg RDL (Anti-Rotation)
Bird Dog Hold
Box Squat (Various Heights)
Tempo Back Squat
175 exercises with technique cues, common faults and fixes.
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Race calendar
Upcoming events
DEKA
2026 DEKA FIT & Ultra - Toronto, ON
Mississauga, Canada
HYROX
HYROX Youngstars Birmingham
United Kingdom
HYROX
HYROX Dublin
Dublin, Ireland
HYROX
EDEKA HYROX Düsseldorf
Düsseldorf, Germany
HYROX
Leapmotor HYROX Barcelona
Barcelona, Spain
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.