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Monthly Archives

January 2025

Athlete holding a perfect forearm plank position in a minimalist gym — overlay text-100-Second Plank Challenge
#2: Perform a 100-Second Plank2025ChallengesStrength & Conditioning

#2: Perform a 100-Second Plank

Test your core and mental control with the 100-second plank challenge. A deceptively simple benchmark for full-body strength, stability, and…
Editorial TeamEditorial TeamJanuary 2, 20252 min
Athlete mid-push-up on a gym mat, sweat visible, focused expression — overlay text-100 Push-Ups a Day x30
#1: Do 100 Push-Ups a Day (For 30 Days)2025ChallengesStrength & Conditioning

#1: Do 100 Push-Ups a Day (For 30 Days)

Transform your upper body and discipline with 100 push-ups a day for 30 days. It’s simple, scalable, and delivers powerful…
Editorial TeamEditorial TeamJanuary 1, 20252 min
100 Ways to Improve Your Fitness in 20252025Challenges

100 Ways to Improve Your Fitness in 2025

Welcome to RB100.Fitness your hub for smarter, stronger, and more intentional training. We’ve created the RB100 to inspire you with 100 unique, practical,…
Editorial TeamEditorial TeamJanuary 1, 20254 min