Graduation Date

Spring 2024

Document Type



Master of Science degree with a major in Kinesiology, option Exercise Science

Committee Chair Name

Young S. Kwon

Committee Chair Affiliation

HSU Faculty or Staff

Second Committee Member Name

Lukas E. Coppen

Second Committee Member Affiliation

HSU Faculty or Staff

Third Committee Member Name

Rock E. Braithwaite

Third Committee Member Affiliation

HSU Faculty or Staff


Northern California, Kinesiology, Human performance, High intensity interval training, Recreational runner, California, Humboldt, Physiology, Training

Subject Categories



High Intensity interval Training (HIIT) in running prescription can be applied in a variety of different ways, but HIIT prescription lacks specificity and efficiency in determining what duration of interval is optimal for improved aerobic performance. The purpose of this study was to test different HIIT protocols with a 1:1 ratio active: recovery intervals of 2:2 minute (Protocol 1), 4:4 minute (Protocol 2) and a continuous run trial (CRT). Seven recreational male runners (Age= 23.1 ± 3.4 yr, Height= 1.80 ± 0.1, Weight= 75.8 ± 9.6) performed a maximal oxygen consumption test (60.5 ± 4.9 ml/kg/min) with a graded exercise test. Their VO2max scores were then converted to their running speed by using the ACSM metabolic running equation. Protocols 1 and 2 were HIIT running protocols, and Protocol 3 was a continuous running trial (CRT), all protocols had the same average intensity (85% VO2max). A one way repeated measures ANOVA was used to determine the differences between all running protocols on time to exhaustion (volitional fatigue), and Protocol 2 elicited the shortest time to exhaustion, followed by Protocol 1 and then the CRT was the longest in duration. Recreational runners can use this studies finding to improve their VO2max, anaerobic/ aerobic energy systems, and HIIT implementation.

Citation Style

Castrejon, A. (2024) The Effect of Interval Time on Time to Exhaustion During High Intensity Interval Training Running in Recreational Male Runners.

Available for download on Sunday, May 10, 2026