My "PPW" Logs:

2016:
June 17 - Nov 29 (Day 1 to 84):http://forum.lowcarber.org/showpost...&postcount=2318
Dec 1 - 31 (100th Day!):http://forum.lowcarber.org/showpost...&postcount=2482

2017:
January: http://forum.lowcarber.org/showpost...&postcount=2594 (Started "Push-ups" 01.28.17)
February: http://forum.lowcarber.org/showpost...&postcount=2698
March: http://forum.lowcarber.org/showpost...&postcount=2814
April: http://forum.lowcarber.org/showpost...&postcount=2919 (Started "Wall sits" 04.20.17)
May: http://forum.lowcarber.org/showpost...&postcount=2987
June: http://forum.lowcarber.org/showpost...&postcount=3079
July: http://forum.lowcarber.org/showpost...&postcount=3164
August: http://forum.lowcarber.org/showpost...&postcount=3251
September: http://forum.lowcarber.org/showpost...13&postcount=62
October: http://forum.lowcarber.org/showpost...0&postcount=126
November: http://forum.lowcarber.org/showpost...2&postcount=222
December: http://forum.lowcarber.org/showpost...5&postcount=282

2018:
January: http://forum.lowcarber.org/showpost...4&postcount=360
February: http://forum.lowcarber.org/showpost...1&postcount=478
March: http://forum.lowcarber.org/showpost...4&postcount=641
April: http://forum.lowcarber.org/showpost...5&postcount=788
May: http://forum.lowcarber.org/showpost...&postcount=9522
June: http://forum.lowcarber.org/showpost...&postcount=1129
July: http://forum.lowcarber.org/showpost...&postcount=1289

The Challenge: "Planks, Pushups & Power" that got me started doing planks ~ thanks bkloots!
http://forum.lowcarber.org/showthread.php?t=473865


Edited to Add:
To find the latest updated month, find the post dated on the 30th of the month in my gym log from this point forward. Hope that makes sense...