Navy PRT Stationary Bike Rules: LifeFitness Calorie Standards
Complete scoring matrix, machine calibration requirements, and the role of rider weight in the 12-minute bike test under OPNAVINST 6110.1L.
The Navy PRT stationary bike event is a 12-minute calorie burn test conducted on authorized LifeFitness upright bikes. Scoring is based entirely on total calories registered on the console. For male sailors aged 20 to 24, an Outstanding score requires 204+ calories (106 calories minimum satisfactory pass), while females require 160+ calories (85 calories minimum pass).
To evaluate how your stationary bike calorie burn pairs with your push-up and plank scores, check your composite rating inside our Navy PRT calculator.
Official Stationary Bike Calorie Scoring Matrix
The table below summarizes official Navy PRT calorie standards across age cohorts for male and female sailors:
| Age Cohort | Male Satisfactory (50 Pts) | Male Good (65 Pts) | Male Outstanding (90 Pts) | Female Satisfactory (50 Pts) | Female Good (65 Pts) | Female Outstanding (90 Pts) |
|---|---|---|---|---|---|---|
| 17 to 19 | 108 cal | 148 cal | 206 cal | 86 cal | 112 cal | 162 cal |
| 20 to 24 | 106 cal | 145 cal | 204 cal | 85 cal | 110 cal | 160 cal |
| 25 to 29 | 103 cal | 141 cal | 198 cal | 82 cal | 106 cal | 155 cal |
| 30 to 34 | 99 cal | 135 cal | 190 cal | 79 cal | 102 cal | 148 cal |
| 35 to 39 | 95 cal | 129 cal | 181 cal | 76 cal | 98 cal | 141 cal |
| 40 to 44 | 91 cal | 123 cal | 172 cal | 72 cal | 93 cal | 134 cal |
| 45 to 49 | 86 cal | 116 cal | 162 cal | 68 cal | 88 cal | 126 cal |
| 50+ | 80 cal | 108 cal | 150 cal | 63 cal | 81 cal | 116 cal |
How the LifeFitness Calorie Formula Operates
A unique physiological dynamic of the stationary bike test is how machine programming factors body weight into work calculations:
- Body Weight Input: Before the test begins, the CFL inputs the sailor's verified body weight from the official BCA weigh-in (rounded down to the nearest whole pound).
- Metabolic Rate Scaling: The LifeFitness algorithm computes energy expenditure using the standard equation `Calories = (METs x 3.5 x Body Weight in kg / 200) x Duration in Minutes`. Because moving larger body mass burns more kilocalories per pedal revolution at equivalent wattage, heavier sailors accumulate calories at a higher rate for identical RPM and resistance settings.
Test Rules and Equipment Regulations
To ensure fairness and prevent disqualification, sailors must adhere strictly to OPNAV guidelines during the 12-minute window:
- No Standing (Saddle Contact): The sailor's buttocks must remain seated on the bike saddle at all times. Standing up on the pedals to push down with full bodyweight is an immediate violation; continuing to stand after a warning terminates the test.
- Resistance Control: The sailor may increase or decrease the pedal resistance level at any point during the 12 minutes to adjust cadence and power output.
- Warm-up & Cool-down: The bike programming includes a mandatory 1-minute low-intensity warmup before the 12-minute scoring window begins, followed by a mandatory 2-minute cooldown. Calories burned during warmup or cooldown are not counted toward the final score.
Alternate cardio still counts toward the same PRT, so see the Navy body fat tape test instructions.