Understanding the effects of ultramarathon running on athletes

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study focuses on Ultratrail runners participating in the 106 km Castelló-Penyagolosa race, aiming to gather insights into their training habits, physical condition, and performance factors. The research involves data collection before, during, and after the race, including assessments of muscle damage, strength loss, and hydration levels. Blood and urine samples will be analyzed to track physiological changes and recovery processes. Additionally, the study will explore sex differences in performance and physiological responses among the runners.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Adults healthy with 18-60 years
* Must have completed at least two races of 65 km or longer.
* Must be registered as a participant in the CSP 2025 race

Exclusion Criteria:

* Having heart disease
* Having kidney disease
* Taking a medication on an ongoing basis

Where it's running

• Jaume I Univesity
  Castellón De La Plana, Castellón, Spain Recruiting

Study contacts

• Principal investigator: Carlos Hernando — Universitat Jaume I
• Study coordinator: Carlos Hernando, Dr.
• Email: hernando@uji.es
• Phone: +034964728808

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

• Nurse-led programs mixing exercise and psychology to help people with chronic kidney disease

  This study tests whether a nurse-led program that combines physical exercise and psychosocial support can improve outcomes for adults with chronic renal failure on dialysis or in hospital.

  Recruiting Menoufia University · Shibīn al Kawm, Menoufia · NCT07927660

• Targeted physical activity for frail pancreatic cancer patients on neoadjuvant chemotherapy

  This study tests a supervised, low‑intensity resistance exercise program to see if it helps frail or pre‑frail adults with pancreatic cancer who are receiving neoadjuvant chemotherapy.

  Recruiting University of Illinois Chicago · Chicago, Illinois · NCT07647250

• Supervised exercise after bariatric surgery to protect muscle and bone

  This program tests whether supervised exercise after gastric bypass or sleeve surgery helps preserve muscle mass and bone density in adults.

  Recruiting at 2 sites Hospitales Universitarios Virgen del Rocío · Seville, Sevilla and 1 other locations · NCT07324447

• Exercise plus oral nutrition to prevent disability in hospitalized adults 75 and older

  We will test whether adding a supervised multicomponent exercise program to oral nutritional support helps hospitalized people aged 75 and older who are malnourished or at risk avoid disability and improve physical and cognitive function.

  Recruiting Fundacion Miguel Servet · Pamplona, Navarre · NCT07067697

• Exercise program for patients after atrial fibrillation ablation

  This study is testing whether a structured exercise program can help people who had atrial fibrillation ablation feel better and improve their heart health and quality of life.

  Recruiting Universidad de Zaragoza · Zaragoza, Zaragoza · NCT06832033

• Radiofrequency and pelvic floor exercises for pelvic floor problems after breast cancer

  This project will test whether radiofrequency, pelvic floor muscle exercises, or both can reduce pelvic floor and genitourinary symptoms in women who had breast cancer.

  Recruiting Cardenal Herrera University · Elche, Spain / Valencia · NCT06694519

How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.