Men age 17-25 should complete 8 planks in a 2 minute period and Men 25-35 should complete 7.2 planks in 2 minutes. Women in the 17-21 age range, should complete 7.6 planks in 2 minutes with Women 25-35 achieving 6.8.
Over 35s Men over 35 should complete 6.4 planks in a 2 minute period and Women over 35 should complete 6.1 planks in 2 minutes.
Over 60s Men over 60, should complete 5.6 planks in 2 minutes with Women over 60 executing 5.3.
Safety It goes without saying, consult your doctor before starting planks, especially as you get older, if you have health concerns or have not had a recent check up.
Calories Burned based on Time and Weight.
Calories Burned in 15 minutes
Weight 100lb:54
Weight 120lb:64
Weight 125lb:67
Weight 150lb:80
Weight 175lb:94
Weight 200lb:107
Weight 250lb:134
Weight 300lb:161
Calories Burned in 40 minutes
Weight 100lb:143
Weight 120lb:171
Weight 125lb:179
Weight 150lb:214
Weight 175lb:250
Weight 200lb:286
Weight 250lb:357
Weight 300lb:429
Calories Burned in 45 minutes
Weight 100lb:161
Weight 120lb:193
Weight 125lb:201
Weight 150lb:241
Weight 175lb:281
Weight 200lb:321
Weight 250lb:402
Weight 300lb:482
Calories Burned in 1 hour 15 mins
Weight 100lb:268
Weight 120lb:321
Weight 125lb:335
Weight 150lb:402
Weight 175lb:469
Weight 200lb:536
Weight 250lb:670
Weight 300lb:804
Calories Burned in 1 hour 30 mins
Weight 100lb:321
Weight 120lb:386
Weight 125lb:402
Weight 150lb:482
Weight 175lb:563
Weight 200lb:643
Weight 250lb:804
Weight 300lb:964
Calories Burned in 2 hours
Weight 100lb:429
Weight 120lb:514
Weight 125lb:536
Weight 150lb:643
Weight 175lb:750
Weight 200lb:857
Weight 250lb:1072
Weight 300lb:1286