Actively Recruiting

Age: 12Years - 60Years
FEMALE
Healthy Volunteers
ID06634134

How Female Cyclists Train Through Their Menstrual Cycle Observational Study of Menstrual Cycle-Based Periodized Training Using JOIN App

Led by Martini Hospital Groningen · Updated on 2025-07-28

750

Participants Needed

2

Research Sites

104 weeks

Total Duration

On this page

Sponsors

M

Martini Hospital Groningen

Lead Sponsor

A

Antonius Ziekenhuis

Collaborating Sponsor

AI-Summary

What this Trial Is About

Researchers are studying how the menstrual cycle affects female cyclists' training and performance. The study focuses on understanding the influence of hormonal changes during the cycle on endurance, recovery, muscle strength, motivation, and mental aspects related to training. This research aims to provide insights that could help customize training programs based on individual menstrual cycles for better effectiveness. The study involves female cyclists who use the JOIN cycling app to track their menstrual cycles alongside subjective and objective training data. Participants can adjust their training advice based on menstrual cycle-related discomfort. The study is observational and will monitor the health of the menstrual cycle and training parameters over one to two years. Participants will be closely monitored through the JOIN app, providing data on their menstrual cycle progress and training metrics such as endurance and power. Researchers will assess both subjective feelings and objective performance measures. The study will explore the feasibility of menstrual cycle-based periodized training and its effects on recovery, with a total participation period of up to two years.

CONDITIONS

Brief Title

Cycling Through the Menstrual Cycle

Who Can Participate

Age: 12Years - 60Years
FEMALE
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • JOIN cycling app member
  • Female cyclist
  • Provided informed consent for period tracking in JOIN
Not Eligible

You will not qualify if you...

History of severe allergic reactions to study medication Currently pregnant or breastfeeding Recent participation in another clinical trial within the last 30 days Presence of uncontrolled medical conditions that could affect safety

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person or virtual)

Monitoring

Duration - Up to 2 years

Participants track their menstrual cycle and record subjective and objective training parameters using the JOIN cycling app.

Continuous data entry through the app with no required in-person visits

Trial Site Locations

Total: 2 locations

1

Martini Ziekenhuis

Groningen, Netherlands, 9728 NZ

Not Yet Recruiting

2

Martini ziekenhuis

Groningen, Netherlands, 9728 NZ

Actively Recruiting

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Research Team

A

Anne Marijn van der Graaf, MD/PhD

M

Margot Verleg

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

1

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