@justcellus: Most people can’t get past round 3..can you?! This is the CORE 450 COUNTDOWN CHALLENGE 3 moves and 450 reps to light up your core. The reps go down, the burn goes up 🔥 The Challenge: Start at 50 reps of each movement, then drop by 10 every round. ROUND 1 50 Alternating Leg Raises (each leg = 1) 50 Alternating Reverse Crunches (each side = 1) 50 Crunches ROUND 2 40 Alternating Leg Raises 40 Alternating Reverse Crunches 40 Crunches ROUND 3 30 Alternating Leg Raises 30 Alternating Reverse Crunches 30 Crunches ROUND 4 20 Alternating Leg Raises 20 Alternating Reverse Crunches 20 Crunches ROUND 5 10 Alternating Leg Raises 10 Alternating Reverse Crunches 10 Crunches Goal: Complete all 5 rounds in order as fast as possible 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 #core #corechallenge #fitnesschallenge #ironrank