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
Strength · 4 Nov 2026
Exercise snacking: squat study tests shorter strength sessions
Cardio
Noosa 2026 results: Hauser and Van Coevorden win after swim cancellation
4 Nov 2026
Cardio
Max Studer’s training move: Lessons for hybrid athletes
3 Nov 2026
Cardio
Pearson’s World Cup Win: Breakaway Sets Up San Pedro Victory
2 Nov 2026
Cardio
Broccoli Sprout Shots: What Almgren’s Approach Means for Hybrid Athletes
2 Nov 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 · Cardio
20-Minute Air Bike Repeatability
This 20-minute air bike repeatability workout trains controlled hard efforts through two interval formats: six short accelerations, then three longer pushes. It suits intermediate hybrid athletes who want machine-only conditioning without running or lifting. Keep your output consistent, use the recovery periods properly and finish with four easy minutes.
Intermediate · Intervals
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-Second Bear Hover: Stay Steady
100-Metre Suitcase Carry Challenge: Stay Tall Under Load
100 Calf Raises: Keep Every Rep Controlled
100 Hip Hinges: Move with Control
100-Second Towel Squeeze Challenge
100 Seated Knee Extensions: Sit Tall
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
Check out our exercise library
Need exercise inspiration?
Reverse Nordic curl
Turkish get-up
Sumo Deadlift High Pull
Lateral band walk
Nordic Hamstring Curl
Hamstring Walkout
Dead Bug
Seated Dumbbell Calf Raise
180 exercises with technique cues, common faults and fixes.
Check out our HYROX article series
Caught the HYROX bug?
Hot posts ✱
- 1NewsFitLab Files for Chapter 11: Which Brands Are Involved?
- 2CardioThe Long Run for Hybrid Athletes: Build Endurance Without Chasing Pace
- 3StrengthHow Much Strength Training Is Enough for Hybrid Athletes?
- 4ArticlesRED-S Warning: Why Under-Fuelling Can Undermine Hybrid Training
- 5ArticlesYoga or Pilates? Running Experts Weigh Up the Benefits for Hybrid Athletes
Race calendar
Upcoming events
DEKA
2026 DEKA FIT - Switzerland
Genève, Switzerland
DEKA
2026 DEKA FIT & Ultra - Atlanta
Atlanta, United States
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.