You’ve made it. 99 challenges behind you. And now, Challenge #100 awaits.

This one isn’t just another set of reps. This is the culmination of your 2025 commitment your ability to show up, test yourself, and finish strong.

Welcome to:

Challenge #100: The Ultimate RB100 Fitness Benchmark

This challenge isn’t fixed to a movement, a weight, or a machine. It’s about application.

You’ll choose 10 different RB100 challenges and complete them in a compressed window either:

  • In a single day (the ultimate fitness gauntlet),
  • Or over one focused week, stacking two per day.
Athlete checking off a whiteboard with 10 RB100 challenges listed and sweat dripping
Athlete checking off a whiteboard with 10 RB100 challenges listed and sweat dripping

How It Works

  1. Choose 10 Completed RB100 Challenges Go back through the full RB100 list or use the RB100 Tracker to revisit past efforts.
  2. Pick Your Format:
    • One-Day Benchmark: All 10 completed in sequence with planned rest
    • One-Week Block: Complete 2 per day over 5 consecutive days
    • Hybrid Approach: Mix formats to fit your recovery and schedule
  3. Track your performance For each challenge, record:
    • Time taken
    • Weight used
    • Reps achieved
    • RPE (rate of perceived exertion)
    • Notes on form, breathing, mindset
  4. Upload your Benchmark Log your full test to the RB100 Tracker. Use this as your yearly retest metric to compare growth.

Sample One-Day RB100 Benchmark

Here’s a sample 10-movement flow:

  1. #1: 100 Push-Ups
  2. #11: Burn 100 Calories in 10 Minutes
  3. #64: 100 Battle Rope Slams
  4. #60: 100 Overhead Carries
  5. #55: 100 Calories on the Rower
  6. #20: 100 Calorie Sled Push
  7. #59: Ground-to-Shoulder Sandbag
  8. #35: 100 Seconds of Breathwork
  9. #26: 100% Whole Food Day
  10. #38: Track 100% of Workouts for 30 Days

You can modify based on your training style endurance, strength, mindset, nutrition, recovery.


What Makes This Challenge Special?

This challenge is personal. No two participants will select the same 10. Some will face their weaknesses. Others will double down on strengths.

It’s the moment where training becomes legacy.

You’ve tested…

  • Max output
  • Consistency
  • Skill and control
  • Recovery habits
  • Mental resilience

Now you tie them together in a format that asks only one thing:

Show up. Finish strong. And keep going.


Pull-Quote

“100 challenges. One relentless year. Now finish what you started.
RB100.Fitness


Recovery & Reflection

After this one, take time to:

  • Reflect on the hardest challenge
  • Revisit where you’ve improved
  • Set a new 100-day goal
  • Invite a friend to start their own RB100 challenge series

Learn More

Close-up of timer, kettlebell, jump rope and sweat towel
Close-up of timer, kettlebell, jump rope and sweat towel
Editorial Team

The Relentless Bravery Editorial Team brings together athletes, coaches, and experts to share trusted insights on training, recovery, and mindset. Always consult a professional before making fitness or health changes.

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