CONTACT

Dr. Nils Haller│Research Associate

E-Mail: nhaller@uni-mainz.de
Tel.: 06131 - 39 23 587
Raum: 00-128 (VG)
Sprechstunde: nach Vereinb.

 


RESEARCH

  • Training control of athletes
  • Biomarkers in the context of competitive sports for the detection of strain, stress and recovery
  • Effects of sports therapy in psychiatric disorders
  • Effect of high-intensity interval training on performance, fatigue, stress, and well-being

Akademischer Werdegang

2019

Doctorate (Dr. phil.) in the department of sports medicine at Johannes Gutenberg University – Titel: Novel approaches for load management

2014

Master's degree from Johannes Gutenberg University Mainz - Subjects: Sports, Social Studies, Educational Science

Academic activities

seit 2022

Lectureship at the International Football Institute (IFI) Munich: Sports Science in Football

seit 2020

Research associate at the University of Salzburg - Department of Exercise and Movement Sciences

seit 2018

Wissenschaftlicher Mitarbeiter an der Johannes Gutenberg-Universität Mainz – Abteilung Sportmedizin, Prävention und Rehabilitation

2015 - 2019

Wissenschaftlicher Mitarbeiter der Universitätsklinik Mainz – Klinik für Psychiatrie und Psychotherapie

2014 - 2018

Dozent für Trainingslehre und Sportmedizin an der Staatlichen Schule für Physiotherapie Mainz

Sonstige Tätigkeiten und Funktionen

Mitglied im AK Reform des Bachelor of Education Studiengangs am Institut für Sportwissenschaft an der Johannes Gutenberg-Universität Mainz

Mitglied im DVS Mentoring Programm

Mitarbeit im Netzwerk Personalisierte Rehabilitation für Long COVID-Patienten – Lösungsansätze und Förderung von Projektideen

Studiengangskonzeption und Entwicklung der Forschungsstrategie für die sich im Aufbau befindende Europäische Hochschule für Innovation und Perspektive


Zeitschriftenaufsätze

Haller, N., Stanin, T., Strepp, T., et al. (2026). On the relationship between external and internal load variables in elite youth soccer players. Scientific Reports, 16(1). DOI
Haller, N., Widauer, H. L., Strepp, T., et al. (2025). How intense is high-intensity interval training? Biomarker responses and associations with training load and fitness. ISCIENCE, 28(11). DOI Author/Publisher URL
Tomaskovic, A., Strepp, T., Stoggl, T. L., et al. (2025). Acute and Chronic Effects of a High-Intensity Interval Training Shock Microcycle on Cell-Free DNA: A Randomized Controlled Trial. SPORTS MEDICINE-OPEN, 11(1). DOI Author/Publisher URL
Candeo, A. L. da S., Reyes Jr, S., Haller, N., et al. (2025). Governance and integrity challenges in esports: A scoping review. PERFORMANCE ENHANCEMENT & HEALTH, 13(4). DOI Author/Publisher URL
Enders, K., Hillen, B., Haller, N., et al. (2025). Pre-analytical pitfalls: How blood collection tubes influence exercise-induced cell-free DNA concentrations. EXPERIMENTAL PHYSIOLOGY, 110(8), 1087-1098. DOI Author/Publisher URL
Schu, K., Haller, N. (2025). Cheating and Doping in Chess-A Survey among 1,924 German Club Players using the Randomized Response Technique. PERFORMANCE ENHANCEMENT & HEALTH, 13(3). DOI Author/Publisher URL
Wiesinger, H.-P., Stoeggl, T. L., Haller, N., et al. (2025). Meta-analyses of the effects of high-intensity interval training in elite athletes-part I: mean effects on various performance measures. FRONTIERS IN PHYSIOLOGY, 15. DOI Author/Publisher URL
Tomaskovic, A., Weber, V., Ochmann, D., et al. (2025). Multimodal Web-Based Telerehabilitation for Patients With Post-COVID-19 Condition: Protocol fora Randomized Controlled Trial. JMIR RESEARCH PROTOCOLS, 14. DOI Author/Publisher URL
Wiesinger, H.-P., Hopkins, W. G., Haller, N., et al. (2024). Meta-analyses of the effects of high-intensity interval training in elite athletes - part II: relationships between the mean effects on various performance measures. FRONTIERS IN PHYSIOLOGY, 15. DOI Author/Publisher URL
Strepp, T., Blumkaitis, J. C., Sareban, M., et al. (2024). Training Intensity Distribution of a 7-Day HIIT Shock Microcycle: Is Time in the "Red Zone" Crucial for Maximizing Endurance Performance? A Randomized Controlled Trial. SPORTS MEDICINE-OPEN, 10(1). DOI Author/Publisher URL
Schubert, M., Guere, A., Haller, N. (2024). Performance-enhancement in esports - Players’ perspectives on prevalence, legitimacy, governance and regulations. PERFORMANCE ENHANCEMENT & HEALTH, 12(3). DOI Author/Publisher URL
Strepp, T., Blumkaitis, J. C., Haller, N., Stoeggl, T. leonhard. (2024). Adding LIT to HIIT: Is Low-Intensity Training Vital for Endurance-Trained Athletes during a 7-day HIIT Shock Microcycle?. MEDICINE & SCIENCE IN SPORTS & EXERCISE, 56(8), 1408-1421. DOI Author/Publisher URL
Stoeggl, T. L., Strepp, T., Wiesinger, H.-P., Haller, N. (2024). A training goal-oriented categorization model of high-intensity interval training. FRONTIERS IN PHYSIOLOGY, 15. DOI Author/Publisher URL
Haller, N., Strepp, T., Stöggl, T. (2024). The puzzle of monitoring training load in winter sports - A hard nut to crack?. Current Issues in Sport Science (CISS), 9(3), 008-008. DOI
Wuttke, A., Steinmetz, A., Endres, K., et al. (2024). Behavioral Activation by Wearable Devices in Patients with Late-Life Depression A Randomized Crossover Study. GEROPSYCH-THE JOURNAL OF GERONTOPSYCHOLOGY AND GERIATRIC PSYCHIATRY, 37(2), 109-120. DOI Author/Publisher URL
Blumkaitis, J. C., Nunes, N., Strepp, T., et al. (2024). Exploring sex differences in blood-based biomarkers following exhaustive exercise using bioinformatics analysis. BIOLOGY OF SPORT, 41(3), 105-118. DOI Author/Publisher URL
Haller, N. (2023). Die Potenziale von Wearables zur Steigerung der körperlichen Aktivität bei Kindern und Jugendlichen. Forum Kinder- und Jugendsport, 4(2), 124-127. DOI
Haller, N., Reichel, T., Zimmer, P., et al. (2023). Blood-Based Biomarkers for Managing Workload in Athletes: Perspectives for Research on Emerging Biomarkers. SPORTS MEDICINE, 53(11), 2039-2053. DOI Author/Publisher URL
Haller, N., Kranzinger, S., Kranzinger, C., et al. (2023). Predicting Injury and Illness with Machine Learning in Elite Youth Soccer: A Comprehensive Monitoring Approach over 3 Months. JOURNAL OF SPORTS SCIENCE AND MEDICINE, 22(3), 476-487. DOI Author/Publisher URL
Haller, N., Behringer, M., Reichel, T., et al. (2023). Blood-Based Biomarkers for Managing Workload in Athletes: Considerations and Recommendations for Evidence-Based Use of Established Biomarkers. SPORTS MEDICINE, 53(7), 1315-1333. DOI Author/Publisher URL
Stoggl, T. L., Strepp, T., Blumkaitis, J., et al. (2023). Unraveling the mystery of isocaloric endurance training - Influence of exercise modality, biological sex, and physical fitness. METABOLISM-CLINICAL AND EXPERIMENTAL, 144. DOI Author/Publisher URL
Haller, N., Kranzinger, S., Kranzinger, C., et al. (2023). Predicting Injury and Illness with Machine Learning in Elite Youth Soccer: A Comprehensive Monitoring Approach over 3 Months. JOURNAL OF SPORTS SCIENCE AND MEDICINE, 22(3), 476-487. DOI Author/Publisher URL
Haller, N., Blumkaitis, J. C., Strepp, T., et al. (2022). Comprehensive training load monitoring with biomarkers, performance testing, local positioning data, and questionnaires-first results from elite youth soccer. FRONTIERS IN PHYSIOLOGY, 13. DOI Author/Publisher URL
Haller, N. (2022). Blutbasierte Biomarker in der Belastungssteuerung von Athlet:innen. Trillium Diagnostik, 20(3), 238-240. DOI
Haller, N., Stoeggl, T., Strepp, T., et al. (2022). High-Intensity Interval Training In Elite Athletes. A Meta-Analysis Of Effects On VO 2max. Medicine & Science in Sports & Exercise, 54(9S), 272-272. DOI
Haller, N. (2022). Web-based exercise therapy for the treatment of depression. Sports Psychiatry, 1(3), 119-124. DOI
Haller, N., Tomaskovic, A., Stoeggl, T., et al. (2022). Feasibility of Cell-Free DNA Measurement from the Earlobe during Physiological Exercise Testing. DIAGNOSTICS, 12(6). DOI Author/Publisher URL
Stoeggl, T. L., Blumkaitis, J. C., Strepp, T., et al. (2022). The Salzburg 10/7 HIIT shock cycle study: the effects of a 7-day high-intensity interval training shock microcycle with or without additional low-intensity training on endurance performance, well-being, stress and recovery in endurance trained athletes-study protocol of a randomized controlled trial. BMC SPORTS SCIENCE MEDICINE AND REHABILITATION, 14(1). DOI Author/Publisher URL
Haller, N., Huebler, E., Stoeggl, T., Simon, P. (2022). Evidence-Based Recovery in Soccer - Low-Effort Approaches for Practitioners. JOURNAL OF HUMAN KINETICS, 82(1), 75-99. DOI Author/Publisher URL
Boedecker, S. C., Philippi, K. F. A., Neuberger, E., et al. (2020). Twelve-Week Internet-Based Individualized Exercise Program in Adults With Systemic Lupus Erythematosus: Protocol for a Randomized Controlled Trial. JMIR RESEARCH PROTOCOLS, 9(11). DOI Author/Publisher URL
Brahmer, A., Neuberger, E., Esch-Heisser, L., et al. (2019). Platelets, endothelial cells and leukocytes contribute to the exercise-triggered release of extracellular vesicles into the circulation. JOURNAL OF EXTRACELLULAR VESICLES, 8(1). DOI Author/Publisher URL
Haller, N., Ehlert, T., Schmidt, S., et al. (2019). Circulating, cell-free DNA for monitoring player load in professional football. International journal of sports physiology and performance, 14(6), Seiten: 718-726. Author/Publisher URL
Haller, N., Lorenz, S., Pfirrmann, D., et al. (2018). Individualized Web-Based Exercise for the Treatment of Depression: Randomized Controlled Trial. JMIR MENTAL HEALTH, 5(4). DOI Author/Publisher URL
Haller, N., Helmig, S., Taenny, P., et al. (2018). Circulating, cell-free DNA as a marker for exercise load in intermittent sports. PLOS ONE, 13(1). DOI Author/Publisher URL
Pfirrmann, D., Haller, N., Huber, Y., et al. (2018). Applicability of a Web-Based, Individualized Exercise Intervention in Patients With Liver Disease, Cystic Fibrosis, Esophageal Cancer, and Psychiatric Disorders: Process Evaluation of 4 Ongoing Clinical Trials. JMIR RESEARCH PROTOCOLS, 7(5). DOI Author/Publisher URL
Haller, N., Tug, S., Breitbach, S., et al. (2017). Increases in Circulating Cell-Free DNA During Aerobic Running Depend on Intensity and Duration. INTERNATIONAL JOURNAL OF SPORTS PHYSIOLOGY AND PERFORMANCE, 12(4), 455-462. DOI Author/Publisher URL

Konferenzbeiträge

Haller, N. (2023, March 22). LOAD MONITORING IN SPORTS AND ITS APPLICATION IN THE FIELD OF WINTER SPORTS. Keynote speaker at the 9th International Congress on Science and Skiing, Saalbach-Hinterglemm. Author/Publisher URL
Tomaskovic, A., Stoeggl, T., Blumkaitis, J., et al. (2022). Circulating cell-free DNA as a biomarker for injury prediction? [Digital and printed book]. In F. Dela, M. F. Piacentini, J. W. Helge, et al. (eds.), 27th Annual Congress of the European College of Sport Science Book of Abstracts (Vols 27, Issues 27, pp. 158-158). Cologne, Germany:Conception, DTP: SporTools GmbH – Data management in sports. Author/Publisher URL
Haller, N., Stöggl, T., Wahl, P. (2022, September 2). How good are we in quantifying Training/Competition Load, Fatigue and Performance? – New insights. Invited Speaker at the 27th Annual Congress of the European College of Sport Science (ECSS), Sevilla, Spain.
Haller, N., Stoeggl, T., Strepp, T., et al. (2022). High-Intensity Interval Training In Elite Athletes. A Meta-Analysis Of Effects On VO<sub>2max</sub>. MEDICINE & SCIENCE IN SPORTS & EXERCISE, 54(9), 272-272. Author/Publisher URL
Haller, N., Ehlert, T., Schmidt, S., Simon, P. (2019). Circulating DNA As A Monitoring Tool In Professional Soccer. MEDICINE AND SCIENCE IN SPORTS AND EXERCISE, 51(6), 575-575. DOI Author/Publisher URL
Simon, P., Brahmer, A., Haller, N., et al. (2019). Origin of Extracellular Vesicles Released During Exercise. MEDICINE AND SCIENCE IN SPORTS AND EXERCISE, 51(6), 654-654. DOI Author/Publisher URL
Haller, N., Helmig, S., Taenny, P., et al. (2018). Cell-free, Circulating Dna As A Novel Marker For Player Load In Soccer. MEDICINE AND SCIENCE IN SPORTS AND EXERCISE, 50(5), 3-3. Author/Publisher URL
Schwab, L. M. M., Enders, K., Brahmer, A., et al. Approaches of individualized web-based exercise therapy in clinical settings. German Exercise Science & Training Conference 2023, Köln.

Lehrveranstaltungen

  • Fachdidaktik Rehabilitationssport (Bachelor of Arts, Seminar mit Übung)
  • Schulsportspezifische Vertiefung Sportmedizin (Bachelor- und Master of Education, Seminar)
  • Durchführung und schriftliche Reflexion eines wissenschaftlichen Projekts (Bachelor of Arts, Projekt)
  • Englische Lehrveranstaltung im Rahmen des Wahlmoduls Health Promotion and Prevention am Institut für Medizinische Biometrie, Epidemiologie und Informatik zum Thema Primary Prevention by Physical Activity (Master of Science, Vorlesung)
  • Methoden der Diagnostik und Analyse funktioneller und organischer Sportadaptionen (Master of Science, Oberseminar)

Betreute Abschlussarbeiten

  • Belastungs- und Erholungsmanagement
  • Körperliche Aktivität bei Depression
  • Biofeedback bei Depression
  • Körperliche Aktivität während der Schwangerschaft
  • Auswirkungen von Intervalltraining auf die Leistungsfähigkeit
  • Eignung von feldbasierten Fitnesstests bei depressiven Patient*innen
  • Rückkehr in den Sport nach Verletzung
  • Nahrungsergänzungsmittel im Sport
  • Wurftraining im Baseball
  • Akzeptanz von Mental health apps bei Kindern und Jugendlichen

Medienbeiträge

• Videobeitrag in der ZDF Sportreportage: Termindruck = Verletzungen? Sportler und Trainer schlagen Alarm LINK
• Radiobeitrag bei DasDing Radio (2022): Kopfverletzungen im Fußball
• Interview im Basketballmagazin Five (2020): Load Management. Interview und Artikel mit Moritz Wagner, Marc Cuban und Jens Leutenecker
• Videobeitrag in der Allgemeinen Zeitung Mainz (2020): Gut gelaufen: Worauf es beim Joggen ankommt

Ausgewählte Vorträge

• Invited Speaker at the European College of Sports Science Congress (2022), Sevilla, Spanien
• Wissen zum Lunch (2022): Depression bei älteren Menschen – Sport und Bewegung bei Altersdepression, Landeszentrale für Gesundheitsförderung LINK
• American College of Sports Medicine Annual Meeting (2018), Minneapolis, Poster-Vortrag