@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

Marcellus
Marcellus
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Region: US
Tuesday 15 September 2026 20:38:15 GMT
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sammy.fitness
Sammy fitness Agha Samuel :
I love this
2026-09-18 09:37:10
0
supremified
Supreme :
not only will your abs burn but you legs aswell 😔
2026-09-15 20:49:15
4
laquajax
LaQua🏳️‍🌈 :
Trying this now
2026-09-16 04:03:16
1
harraz.danial42
Harraz Danial :
If I try this my legs will pass out
2026-09-16 11:34:44
1
cyborg1969
Cyborg1969 :
😎
2026-09-16 06:07:24
0
gt_lov3r
GT_Lover :
First comment
2026-09-15 20:45:31
2
wizzo402
wizzo :
🥰🥰🥰
2026-09-16 12:39:39
0
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