Physical performance norms in Soldiers are lacking. The impact of physical training on the distribution of these norms is unknown. PURPOSE: To establish physical performance norms in Infantry Soldiers and assess the effects of physical training on their distribution. METHODS: 180 Infantry Soldiers (23.6±4.6 yr, 176.9±7.2cm; 80.0±12.1kgs) were randomized into traditional (TT) or modified (MT) training groups. Groups performed calisthenics and running (TT), or resistance, speed, and agility exercises (MT). Normative data (percentiles) were created for a 1RM bench press (BP), maximal pull-ups (PU), medicine ball put (MBP), agility drill (AD), 30-m rush (Rush) and a simulated casualty drag (CD). A repeated measures ANOVA was used to compare groups over time. RESULTS: Normative quartilesTableMean group changes by quartileTableMean AD and Rush scores improved for Q1-Q3 in both groups. PU improved in both groups for Q1, Q2, and Q4. These changes were likely due to greater percentile improvements in the MT group. CONCLUSION: A modified physical training program is superior to traditional training in producing performance gains across all ability levels.