The series
Challenges
100 reps. A new habit. A reason to show up.
The RB100 challenges bring Relentless Bravery into your training: bodyweight tests, conditioning goals and everyday habits that give your effort a clear focus.
Choose a challenge that suits your starting point. Read its rules, scale the movement where needed, and favour controlled technique over chasing a number.
Latest challenge · 2026-11-12

Challenge · 12 Nov 2026
100 Overhead Presses: Can You Stay Stacked?
Browse by year
Most recent

Challenge · 9 Nov 2026
100 Shoulder Taps: Can You Stay Square?

Challenge · 5 Nov 2026
100 Side-Lying Leg Raises: Keep Your Hips Steady

Challenge · 2 Nov 2026
100-Second Bear Hover: Stay Steady

Challenge · 29 Oct 2026
100-Metre Suitcase Carry Challenge: Stay Tall Under Load

Challenge · 26 Oct 2026
100 Calf Raises: Keep Every Rep Controlled

Challenge · 22 Oct 2026
100 Dead Bug Heel Taps: Can You Stay Steady?

Challenge · 19 Oct 2026
100 Wall Slides: Can You Keep Control?

Challenge · 15 Oct 2026
100 Toe Raises: Keep Your Heels Grounded

Challenge · 12 Oct 2026
100 Hip Hinges: Move with Control

Challenge · 8 Oct 2026
100-Second Towel Squeeze Challenge

Challenge · 5 Oct 2026
100 Seated Knee Extensions: Sit Tall

Challenge · 1 Oct 2026
100 Glute Bridges: Lift with Control
Showing 12 of 139
