Interval Run Workout 14
- Initial Mile
- Mar 31
- 2 min read

Interval Run Workout 14
This interval run workout 14 was designed to help you improve overall cardiovascular and muscular endurance by combining training modalities, static movement and explosive power. This combination of training can help teach your body how to immediately recruit different types of msucles for the purpose of each movement and train your body to utilize the different energy systems.
Who's This For?
Suitable for all levels
Run Workout 14 Benefits:
Improve cardiovascular endurance
Improve muscular endurance
Improve explosive speed
Improve leg strength
Workout Implementation:
To maintain balance between all other training practices, it’s recommended to complete a high intense run workout at least 2-3x/week.
Training Equipment:
Proper running shoes
GPS watch or device to track distance - Garmin GPS Watch
Heart rate monitor chest strap (optional) - Garmin Heart Rate Strap
Dumbells
Workout Details:
Complete run workout in sequential format
Complete run in the 8-9 RPE Zones or 80-90% of heart rate training zone
Learn how to calculate heart rate training zones here: Calculate HR Training Zones
Warm Up:
Complete a 5 minute warm up or complete Initial Mile's Run Warm-Up
Cool Down:
Complete a 5 minute cool down or complete Initial Mile's Full Body Mobility
Run Workout :
Sprint 1: Squat Hold 15 sec. + Sprint 15 sec.
Rest
Sprint 2: Squat Hold 30 sec. + Sprint 30 sec.
Rest
Sprint 3: Squat Hold 45 sec. + Sprint 45 sec.
Rest
Sprint 4: Squat Hold 60 sec. + Sprint 60 sec.
Rest
Sprint 5: Squat Hold 60 sec. + Sprint 60 sec.
Rest
Sprint 6: Squat Hold 45 sec. + Sprint 45 sec.
Rest
Sprint 7: Squat Hold 30 sec. + Sprint 30 sec.
Rest
Sprint 8: Squat Hold 15 sec. + Sprint 15 sec.
Finish
Training Notes:
Modify sprint time length as necessary
Modify rest time length as necessary
Use arms to drive yourself forward but relax your shoulders
Focus on quality breaths, inhaling through your nose and exhaling through mouth
Squat Hold Tip: Maintain an upright back with chest forward with knees bent at 90 degrees. Complete squat hold on stable wall if necessary.

Disclaimer: All information presented and written within this article are intended for informational purposes only. You should not rely on this information as a substitute for, nor does it replace, professional medical advice, diagnosis, or treatment. If you should choose to follow or participate in any workout, program or practice, you do so voluntarily and do not hold Initial Mile and it's founder responsible for any cause of injury or death. If you have any concerns or questions about your health, you should always consult with a physician or other health-care professional.
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