IKMF competition rule. Jerk (Short Cycle) Rules category.
Men's Jerk 30-minute half marathon ranking (1 KB, Open division): MSWC requires 550/650/750 reps (32kg, <75/75-85/>85kg), MS requires 450/550/650 reps (32kg), CMS requires 300/400/500 reps (32kg), Rank 1 requires 200/300/400 reps (32kg), Rank 2 requires 400/500/600 reps (24kg), Rank 3 requires 300/400/500 reps (24kg).
See the interactive comparison on KETTLEBELL MONSTER™ for filterable views and more detail.