NCT07691723

Brief Summary

This single-group case series describe individual responses to a 9-week low-volume, high-intensity race-pace training block in 5 finswimmers from the Antioquia Underwater Activities League (LASA), Colombia. The intervention will be oriented towards race-specific swimming paces and will include repeated swimming efforts prescribed according to each athlete's main competitive event. External training load, heart rate, rating of perceived exertion, pace stability, and sport performance were monitored throughout the block. The primary outcome was the change in performance time in each athlete's main competitive event from baseline to post-intervention. The study used an intra-individual descriptive approach and did not include randomisation, a control group, or causal inference.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
5

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Apr 2026

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2026

Completed
Same day until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2026

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

May 2, 2026

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

July 2, 2026

Completed
7 days until next milestone

First Posted

Study publicly available on registry

July 9, 2026

Completed
Last Updated

July 13, 2026

Status Verified

July 1, 2026

Enrollment Period

Same day

First QC Date

July 2, 2026

Last Update Submit

July 9, 2026

Conditions

Keywords

finswimmingrace-pace traininglow-volume traininghigh-intensity training

Outcome Measures

Primary Outcomes (1)

  • Change from baseline in main-event finswimming performance time

    Performance time, in seconds, will be recorded for each participant's main competitive event. The baseline value will be obtained from an official competition result or a standardised control test before the training block. The post-intervention value will be obtained from an official competition result or a comparable standardised control test after the 9-week block. A lower time will indicate better performance.

    Baseline and week 9

Secondary Outcomes (5)

  • Change from baseline in mean swimming velocity

    Baseline and week 9

  • Weekly external training volume

    Weekly from baseline to week 9

  • Weekly mean heart rate during recorded swimming repetitions

    Weekly from baseline to week 9

  • Weekly rating of perceived exertion

    Weekly from baseline to week 9

  • Pace stability during event-specific swimming repetitions

    Repeated training sessions from baseline to week 9

Study Arms (1)

Low-volume high-intensity race-pace finswimming training

EXPERIMENTAL

Participants will complete a 9-week finswimming training block focused on low-volume, high-intensity, race-pace swimming. Training will be individualised according to each athlete's main competitive event and monitored using external load, heart rate, rating of perceived exertion, and repetition times.

Behavioral: Low-volume high-intensity race-pace finswimming training

Interventions

The intervention will consist of a 9-week finswimming training block oriented towards race-specific pace. Participants will perform repeated swimming efforts prescribed according to individual target times derived from baseline performance. Training sessions will include event-specific distances, repetitions, recovery periods, and target intensities. External load will be monitored through distance, repetitions, weekly volume, target time, and actual time. Internal load will be monitored using heart rate and rating of perceived exertion. Training volume will be adjusted according to the athlete's event profile and reduced towards the final phase when tapering is required.

Low-volume high-intensity race-pace finswimming training

Eligibility Criteria

Age16 Years+
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Finswimmers affiliated with the Antioquia Underwater Activities League (LASA).
  • Regular participation in finswimming training.
  • A defined main competitive event.
  • Availability to complete the 9-week follow-up period.
  • Ability to complete high-intensity swimming training according to the regular sport programme.
  • Written informed consent from adult participants.
  • For participants under 18 years of age, written informed consent from a parent or legal guardian and written assent from the participant.

You may not qualify if:

  • Active musculoskeletal injury.
  • Relevant pain or acute illness at baseline.
  • Medical restriction for high-intensity swimming exercise.
  • Inability to complete the planned follow-up.
  • Withdrawal of consent or assent.
  • Insufficient attendance or incomplete records for the main study variables.
  • Any condition judged by the research team or coaching staff to compromise participant safety during high-intensity swimming.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Tecnológico de Antioquia

Guarne, Antioquia, 054080, Colombia

Location

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
OTHER
Intervention Model
SINGLE GROUP
Model Details: All participants will receive a 9-week low-volume, high-intensity finswimming training block prescribed according to individual race-pace targets.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Investigator

Study Record Dates

First Submitted

July 2, 2026

First Posted

July 9, 2026

Study Start

April 1, 2026

Primary Completion

April 1, 2026

Study Completion

May 2, 2026

Last Updated

July 13, 2026

Record last verified: 2026-07

Data Sharing

IPD Sharing
Will not share

Individual participant data will not be publicly shared because the study will include a small number of athletes from a specific sport league, which may increase the risk of re-identification even after anonymisation. De-identified aggregate data, data dictionaries, and analysis procedures may be made available upon reasonable request, subject to ethics approval and institutional data protection requirements.

Locations