30 Day Ab Challenge Day 1 Day 2 Day 3 Day 4 Day 5 Day 6 Day 7 Day 8 Day 9 Day 10 Day 11 Day 12 Day 13 Day 14 Day 15 Day 16 Day 17 Day 18 Day 19 Day 20 Day 21 Day 22 Day 23 Day 24 Day 25 Day 26 Day 27 Day 28 Day 29 Day 30 15 06 10sec 20 08 15sec 25 10 20sec 30 12 25sec 35 14 30sec 40 16 35sec 45 18 40sec 50 20 45sec 55 22 50sec 60 24 55sec 65 26 60sec 70 28 65sec 75 30 70sec 80 32 75sec 85 34 80sec 90 36 85sec 95 38 90sec 100 40 95sec 105 42 100sec 110 44 105sec 115 46 110sec 120 48 115sec 125 50 120sec 130 52 125sec 135 54 130sec 140 56 135sec 145 58 140sec 150 60 145sec 155 62 150sec 160 64 155sec www.changeinseconds.com Crunches Leg Raise Plank