Kettlebell Challenge Online Mailing List Subscribe to our mailing list for notifications about upcoming challenges and results. Email Address First Name Last Name Mailing list(s) to subscribe to: Kettlebell Challenges Online The 100 WBKC Challenge The 14-Day Kettlebell Snatch Challenge The 21-Day Clean and Jerk Challenge The 28-Day Burpee And Kettlebell Swing Challenge The 28-Day Kettlebell Swing Challenge The 30 10 Kettlebell Challenge The 30-Minute Alternating Half Snatch Challenge The CTCF 100 Kettlebell Challenge The Cavemanator Kettlebell Challenge The Cavemantraining Endurance Challenge The Kettlebell 500 Clean and Strict Press Challenge Unconventional Kettlebell Competition