By InvitationNot Applicable

Effects of Polarized and Threshold Intensity Distribution Models on Race Time and Body Composition in Recreational Runners Aged 20-45 Years.

Colombia20 participantsStarted 2026-03-16

Plain-language summary

This study aims to compare the effects of two intensity distribution training (TID) models-polarized and threshold-on 5-km race time and body composition in recreational runners aged 20 to 45 years. Participants will be randomly assigned to one of two groups and will complete a 12-week structured training program. The primary outcome will be 5-km race time, while secondary outcomes will include changes in body composition. Assessments will be conducted before and after the intervention period.

Who can participate

Age range20 Years – 45 Years

SexALL

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Age between 20 and 45 years. * 1 to 3 years of experience. * Men's race time between 25:00 and 40:00. * Women's race time between 28:00 and 43:00. * Must reside in Bogotá or surrounding municipalities at an altitude of 2,640 meters above sea level. * Must have a GPS device. Exclusion Criteria: * Having a chronic noncommunicable disease. * Smoking or drinking alcohol. * Having a musculoskeletal injury. * Failing to sign the informed consent form. * 10% attendance rate at training sessions.

What they're measuring

Primary Objective

Timeframe: 12 weeks

Trial details

NCT IDNCT07498608

SponsorUniversidad Pedagogica Nacional, Colombia

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2026-04-27

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