Cityline's 30-day plank challenge

Plank your way to perfect posture and a strong core!

Plank your way to perfect posture and a strong core!

As part of our year-long fitness commitment, Dr. Stacy Irvine is challenging you to a 30-day plank challenge to get your core in top shape for the next month. We want to know how you’re following along at home! Send us pics, messages and videos on Facebook, Instagram & Twitter keeping us up-to-date on your progress!

Day 1: 15 seconds

Day 2: 20 seconds

Day 3: 25 seconds

Day 4: 30 seconds

Day 5: 35 seconds

Day 6: 40 seconds

Day 7: 45 seconds

Day 8: 50 seconds

Day 9: 55 seconds

Day 10: 60 seconds

Day 11: 65 seconds

Day 12: 70 seconds

Day 13: 75 seconds

Day 14: 80 seconds

Day 15: 85 seconds

Day 16: 90 seconds

Day 17: 95 seconds

Day 18: 100 seconds

Day 19: 105 seconds

Day 20: 110 seconds

Day 21: 115 seconds

Day 22: 120 seconds

Day 23: 125 seconds

Day 24: 130 seconds

Day 25: 135 seconds

Day 26: 140 seconds

Day 27: 145 seconds

Day 28: 150 seconds

Day 29: 155 seconds

Day 30: 160 seconds

For a super convenient printable PDF version, click here.