Fitness Center
Cardiorespiratory

Three-Mile Run

Measure aerobic endurance specific to Marine Corps PFT.

Marines · PFT / CFT
Muscles trained
Cardiorespiratory system, Lower body
Equipment
Measured 3-mile course
Starting position
Standing start.
Step-by-step execution
  1. 1Run 3 miles for time.
Timing
Continuous; no rest.
Valid repetition
Complete full distance.
Invalid repetition
Course cutting, physical assistance.
Common mistakes
  1. 1Going out too fast.
  2. 2Poor breathing rhythm.
Safety
  1. 1Fuel appropriately.
  2. 2Practice negative-split pacing.
Training progression
  1. 1Long runs 5–8 mi.
  2. 2Fartlek 30 min.
  3. 3Threshold intervals.
Related exercises
Two-Mile Run (2MR)
Measure aerobic capacity and lower-body endurance.
1.5-Mile Run
Measure aerobic capacity (Navy PRT standard cardio).
Independent educational platform

ISHOT Military Academy is an independent educational preparation platform. Fitness standards can change and may vary by age, sex category used in official scoring, occupational specialty, component (Active / Reserve / National Guard), medical status, command policy, altitude, and authorized event option. Always confirm your official requirements with your recruiter, command, or the applicable military branch.