@justcellus: Most people can’t finish under 15 minutes..can you?! This is the IRON CORE 500 CHALLENGE 🔥 5 moves and 500 reps to test your core strength and mental toughness. Will you quit, or finish all 500?! 🫡 The Challenge: 1️⃣ 100 Cross-Body Mountain Climbers (50/side) 2️⃣ 100 Alternating Leg Raises (50/leg) 3️⃣ 100 Single-Leg Reverse Crunches (50/leg) 4️⃣ 100 Elbow-to-Knee Crunches (50/side) 5️⃣ 100 Flutter Kicks (50/leg) 🎯 Goal: Finish all 500 reps, in order, as fast as you can without sacrificing form. 🏆 Tier Rankings: <10 min = IRON GOD 10-12 min = IRON ELITE 12-15 min = IRON GRIT 15+ min = IRON STARTER 📌 Save for your next workout 💬 Comment your time + tier 👥 Share with a friend you know you can beat #ironrank #fitnesschallenge #corechallenge #ironcore500 #core

Marcellus

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Region: US

Monday 26 October 2026 20:25:27 GMT