All Stories

  1. Sex- and nationality-based participation and performance trends in the Swissman Xtreme Triathlon (2019–2025)

    Article • PLOS One, April 2026, PLOS

    Beat Knechtle

  2. Resilience against exercise-related coronary atherosclerosis: A case study in a master athlete participating in 500 marathons

    Article • Sports Medicine and Health Science, March 2026, Tsinghua University Press

    Beat Knechtle

  3. Impact of wet and dry cupping therapy on endurance, perceived wellness, and exertion in recreational male runners

    Article • Sports Medicine and Health Science, January 2026, Tsinghua University Press

    Beat Knechtle

  4. Freestyle master’s swimming: Nationality, sex, and performance trends in World Aquatics competitions (1986–2024)

    Article • PLOS One, September 2025, PLOS

    Beat Knechtle

  5. Sex differences in performance and pacing in the greatest Quintuple Iron ultra-triathlon race in history: The IUTA World Championship 2024 in France

    Article • PLOS One, September 2025, PLOS

    Beat Knechtle

  6. Running trends in Switzerland from 1999 to 2019: An exploratory observational study

    Article • PLOS One, January 2025, PLOS

    Beat Knechtle

  7. Using machine learning to determine the nationalities of the fastest 100-mile ultra-marathoners and identify top racing events

    Article • PLOS One, August 2024, PLOS

    Beat Knechtle

  8. The Matthew Effect in Running: An Analysis of Elite Endurance Athletes Over 23 Years

    Article • Journal of Science in Sport and Exercise, August 2022, Tsinghua University Press

    Beat Knechtle

  9. Vegan vs. omnivore diets paradox: A whole-metagenomic approach for defining metabolic networks during the race in ultra-marathoners- a before and after study design

    Article • PLOS One, September 2021, PLOS

    Beat Knechtle

  10. Variations of training load, monotony, and strain and dose-response relationships with maximal aerobic speed, maximal oxygen uptake, and isokinetic strength in professional soccer players

    Article • PLOS One, December 2019, PLOS

    Hugo Sarmento, Beat Knechtle

  11. Hydration Status After an Ironman Triathlon: A Meta‐Analysis

    Article • Journal of Human Kinetics, November 2019, De Gruyter

    Beat Knechtle

  12. Effects of the Performance Level and Race Distance on Pacing in Ultra-Triathlons

    Article • Journal of Human Kinetics, July 2019, De Gruyter

    Beat Knechtle

  13. Die belastungsassoziierte Hyponatriämie im Ausdauersport

    Article • Praxis, July 2019, Hogrefe Publishing Group

    Beat Knechtle

  14. Force–velocity characteristics and maximal anaerobic power in male recreational marathon runners

    Article • Research in Sports Medicine, April 2019, Taylor & Francis

    Dr Pantelis Theodoros Nikolaidis, Beat Knechtle

  15. The Effect of Aging on Pacing Strategies in Short and Long Distance Duathlon

    Article • Experimental Aging Research, April 2019, Taylor & Francis

    Caio Victor Sousa, Beat Knechtle

  16. The Differences in Pacing Among Age Groups of Amateur Cross-Country Skiers Depend on Performance

    Article • Journal of Human Kinetics, March 2019, De Gruyter

    Beat Knechtle

  17. Sex differences in pacing during half-marathon and marathon race

    Article • Research in Sports Medicine, March 2019, Taylor & Francis

    Beat Knechtle, Dr Pantelis Theodoros Nikolaidis

  18. The “New York City Marathon”: participation and performance trends of 1.2M runners during half-century

    Article • Research in Sports Medicine, March 2019, Taylor & Francis

    Dr Pantelis Theodoros Nikolaidis, Beat Knechtle, Elias Villiger

  19. The role of weather conditions on running performance in the Boston Marathon from 1972 to 2018

    Article • PLOS One, March 2019, PLOS

    Beat Knechtle

  20. The age-related changes and sex difference in master swimming performance

    Article • Movement & Sport Sciences - Science & Motricité, January 2019, EDP Sciences

    Beat Knechtle

  21. Russians are the fastest and the youngest in the “Comrades Marathon”

    Article • Journal of Sports Sciences, December 2018, Taylor & Francis

    Dr Pantelis Theodoros Nikolaidis, Beat Knechtle

  22. Hämochromatose – ungewohnte Aspekte einer Volkskrankheit

    Article • Praxis, December 2018, Hogrefe Publishing Group

    Beat Knechtle

  23. Motivation in ultra-marathon runners

    Article • Psychology Research and Behavior Management, December 2018, Dove Medical Press

    Professor Zbigniew Waśkiewicz, Dr Pantelis Theodoros Nikolaidis, Beat Knechtle

  24. The effect of sex, age and performance level on pacing of Ironman triathletes

    Article • Research in Sports Medicine, November 2018, Taylor & Francis

    Beat Knechtle, Dr Pantelis Theodoros Nikolaidis

  25. Older recreational cross-country skiers adopt more even pacing strategies than their younger counterparts of similar performance level

    Article • Research in Sports Medicine, November 2018, Taylor & Francis

    Dr Pantelis Theodoros Nikolaidis, Beat Knechtle, Elias Villiger

  26. Anxiety, depression symptoms, and physical activity levels of eutrophic and excess-weight Brazilian elite police officers: a preliminary study

    Article • Psychology Research and Behavior Management, November 2018, Dove Medical Press

    Dr Claudio Andre Barbosa de Lira, Marilia Andrade, Dr Pantelis Theodoros Nikolaidis, Beat Knechtle, Weverton Rufo Tavares DS Silva

  27. Jumping and throwing performance in the World Masters’ Athletic Championships 1975-2016

    Article • Research in Sports Medicine, October 2018, Taylor & Francis

    Beat Knechtle

  28. The effect of physiotherapy and acupuncture on psychocognitive, somatic, quality of life, and disability characteristics in TTH patients

    Article • Journal of Pain Research, October 2018, Dove Medical Press

    Dr Pantelis Theodoros Nikolaidis, Beat Knechtle, BLEDJANA FELAH

  29. Differences in pacing of cross-country skiers by nationality – The example of Vasaloppet 2004-2017

    Article • Research in Sports Medicine, September 2018, Taylor & Francis

    Beat Knechtle

  30. World Records in Half-Marathon Running by Sex and Age

    Article • Journal of Aging and Physical Activity, September 2018, Human Kinetics

    Beat Knechtle

  31. Ultramarathon mit Diabetes mellitus Typ 1

    Article • Praxis, July 2018, Hogrefe Publishing Group

    Beat Knechtle

  32. The age of peak performance in women and men duathletes – The paradigm of short and long versions in “Powerman Zofingen”

    Article • Open Access Journal of Sports Medicine, July 2018, Dove Medical Press

    Dr Pantelis Theodoros Nikolaidis, Dr Luca Paolo Ardigò, Beat Knechtle, Professor Zbigniew Waśkiewicz, Elias Villiger

  33. How much further for the sub-2-hour marathon?

    Article • Open Access Journal of Sports Medicine, July 2018, Dove Medical Press

    Caio Victor Sousa, Dr Pantelis Theodoros Nikolaidis, Beat Knechtle

  34. Wie ungesund ist ein Ultramarathon?

    Article • Praxis, April 2018, Hogrefe Publishing Group

    Beat Knechtle

  35. Erfolgreiche antibiotische Behandlung lumbaler Rückenschmerzen

    Article • Praxis, April 2018, Hogrefe Publishing Group

    Beat Knechtle

  36. Age of peak performance in 50-km ultramarathoners – is it older than in marathoners?

    Article • Open Access Journal of Sports Medicine, March 2018, Dove Medical Press

    Dr Pantelis Theodoros Nikolaidis, Beat Knechtle

  37. Der Einfluss eines Ultramarathons auf den Bewegungsapparat

    Article • Praxis, March 2018, Hogrefe Publishing Group

    Beat Knechtle

  38. Pacing in a 94-year-old runner during a 6-hour run

    Article • Open Access Journal of Sports Medicine, February 2018, Dove Medical Press

    Beat Knechtle, Dr Pantelis Theodoros Nikolaidis

  39. The relationship of wearing a wetsuit in long-distance open-water swimming with sex, age, calendar year, performance, and nationality – crossing the “Strait of Gibraltar”

    Article • Open Access Journal of Sports Medicine, February 2018, Dove Medical Press

    Dr Pantelis Theodoros Nikolaidis, Beat Knechtle, Caio Victor Sousa

  40. Wie weit muss man laufen, um 1 kg Fett zu verlieren?

    Article • Praxis, October 2017, Hogrefe Publishing Group

    Beat Knechtle

  41. Der etwas andere Husten

    Article • Praxis, September 2017, Hogrefe Publishing Group

    Beat Knechtle

  42. Marathonlaufen schützt nicht vor Diabetes

    Article • Praxis, August 2017, Hogrefe Publishing Group

    Beat Knechtle

  43. Effect of age and performance on pacing of marathon runners

    Article • Open Access Journal of Sports Medicine, August 2017, Dove Medical Press

    Dr Pantelis Theodoros Nikolaidis, Beat Knechtle

  44. Energetic demand and physical conditioning of table tennis players. A study review

    Article • Journal of Sports Sciences, June 2017, Taylor & Francis

    Beat Knechtle, Professor Miran Kondrič, Dr Pantelis Theodoros Nikolaidis

  45. Thrombophlebitis der Vena basilica nach beidseitiger Brustaugmentation

    Article • Praxis, June 2017, Hogrefe Publishing Group

    Beat Knechtle

  46. Seltene Ursache für eine Problematik des Sakroiliakalgelenks bei einem Ironman-Triathleten

    Article • Praxis, January 2017, Hogrefe Publishing Group

    Beat Knechtle

  47. Performance Trends in Master Butterfly Swimmers Competing in the FINA World Championships

    Article • Journal of Human Kinetics, January 2017, De Gruyter

    Beat Knechtle

  48. The Russians Are the Fastest in Marathon Cross-Country Skiing: The “Engadin Ski Marathon”

    Article • BioMed Research International, January 2017, Hindawi Publishing Corporation

    Dr Pantelis Theodoros Nikolaidis, Beat Knechtle

  49. Age- and sex-related differences in the anthropometry and neuromuscular fitness of competitive taekwondo athletes

    Article • Open Access Journal of Sports Medicine, December 2016, Dove Medical Press

    Dr Pantelis Theodoros Nikolaidis, Beat Knechtle, Mr Ioannis George Tasiopoulos

  50. Ungewöhnliche Ursache einer einseitigen schmerzhaften Wadenschwellung als Differenzialdiagnose einer tiefen Beinvenenthrombose

    Article • Praxis, November 2016, Hogrefe Publishing Group

    Beat Knechtle

  51. Bedeutung der Herzfrequenzvariabilität in der Trainingssteuerung

    Article • Praxis, September 2016, Hogrefe Publishing Group

    Beat Knechtle

  52. Der Ironman-Triathlon

    Article • Praxis, June 2016, Hogrefe Publishing Group

    Beat Knechtle

  53. Wie vermeidet man die Miktion? Eine Frage, die sich nicht nur Kinder stellen

    Article • Praxis, May 2016, Hogrefe Publishing Group

    Beat Knechtle

  54. Feet swelling in a multistage ultraendurance triathlete: a case study

    Article • International Journal of General Medicine, October 2015, Dove Medical Press

    Beat Knechtle

  55. Variables that influence Ironman triathlon performance – what changed in the last 35 years?

    Article • Open Access Journal of Sports Medicine, August 2015, Dove Medical Press

    Beat Knechtle

  56. What predicts performance in ultra-triathlon races? – a comparison between Ironman distance triathlon and ultra-triathlon

    Article • Open Access Journal of Sports Medicine, May 2015, Dove Medical Press

    Beat Knechtle

  57. Effects of training and anthropometric factors on marathon and 100 km ultramarathon race performance

    Article • Open Access Journal of Sports Medicine, April 2015, Dove Medical Press

    Beat Knechtle

  58. Pacing strategy in male elite and age group 100 km ultra-marathoners

    Article • Open Access Journal of Sports Medicine, March 2015, Taylor & Francis

    Beat Knechtle

  59. Performance differences between sexes in 50-mile to 3,100-mile ultramarathons

    Article • Open Access Journal of Sports Medicine, January 2015, Taylor & Francis

    Beat Knechtle

  60. Women Outperform Men in Ultradistance Swimming: The Manhattan Island Marathon Swim from 1983 to 2013

    Article • International Journal of Sports Physiology and Performance, November 2014, Human Kinetics

    Beat Knechtle

  61. Gender difference in cycling speed and age of winning performers in ultra-cycling – the 508-mile “Furnace Creek” from 1983 to 2012

    Article • Journal of Sports Sciences, July 2014, Taylor & Francis

    Beat Knechtle

  62. Sex difference in top performers from Ironman to double deca iron ultra-triathlon

    Article • Open Access Journal of Sports Medicine, June 2014, Taylor & Francis

    Beat Knechtle

  63. Women reduced the sex difference in open-water ultra-distance swimming La Traversée Internationale du Lac St-Jean, 1955–2012

    Article • Applied Physiology Nutrition and Metabolism, February 2014, Canadian Science Publishing

    Beat Knechtle

  64. Finisher and performance trends in female and male mountain ultramarathoners by age group

    Article • International Journal of General Medicine, August 2013, Taylor & Francis

    Beat Knechtle

  65. Performance and age of African and non-African runners in half- and full marathons held in Switzerland, 2000–2010

    Article • Open Access Journal of Sports Medicine, July 2013, Taylor & Francis

    Beat Knechtle, Professor Vincent Ochieng Onywera

  66. Increase in finishers and improvement of performance of masters runners in the Marathon des Sables

    Article • International Journal of General Medicine, June 2013, Taylor & Francis

    Beat Knechtle

  67. Exercise electrocardiogram testing in two brothers with different outcome – a case study exercise testing in master cyclists

    Article • International Journal of General Medicine, June 2013, Taylor & Francis

    Beat Knechtle

  68. Age group athletes in inline skating: decrease in overall and increase in master athlete participation in the longest inline skating race in Europe – the Inline One-Eleven

    Article • International Journal of General Medicine, May 2013, Taylor & Francis

    Beat Knechtle

  69. Marathon performance in relation to body fat percentage and training indices in recreational male runners

    Article • Open Access Journal of Sports Medicine, May 2013, Taylor & Francis

    Beat Knechtle

  70. Analysis of participation and performance in athletes by age group in ultramarathons of more than 200 km in length

    Article • International Journal of General Medicine, April 2013, Taylor & Francis

    Beat Knechtle

  71. Reduced performance difference between sexes in master mountain and city marathon running

    Article • International Journal of General Medicine, April 2013, Taylor & Francis

    Beat Knechtle

  72. The effects of an 8-week multicomponent inpatient treatment program on body composition and anaerobic fitness in overweight and obese children and adolescents

    Article • International Journal of General Medicine, March 2013, Taylor & Francis

    Beat Knechtle

  73. A comparison of medley and freestyle performance for national and international swimmers between 1994 and 2011

    Article • Open Access Journal of Sports Medicine, March 2013, Taylor & Francis

    Beat Knechtle

  74. A comparison of participation and performance in age group finishers competing in and qualifying for Ironman Hawaii

    Article • International Journal of General Medicine, February 2013, Taylor & Francis

    Beat Knechtle

  75. Participation and performance trends in ultracycling

    Article • Open Access Journal of Sports Medicine, February 2013, Taylor & Francis

    Beat Knechtle

  76. European dominance in multistage ultramarathons: an analysis of finisher rate and performance trends from 1992 to 2010

    Article • Open Access Journal of Sports Medicine, January 2013, Taylor & Francis

    Beat Knechtle

  77. Gender differences in wheelchair marathon performance – Oita International Wheelchair Marathon from 1983 to 2011

    Article • Open Access Journal of Sports Medicine, November 2012, Taylor & Francis

    Beat Knechtle

  78. Age of peak performance in elite male and female Ironman triathletes competing in Ironman Switzerland, a qualifier for the Ironman world championship, Ironman Hawaii, from 1995 to 2011

    Article • Open Access Journal of Sports Medicine, November 2012, Taylor & Francis

    Beat Knechtle

  79. Women achieve peak freestyle swim speed at earlier ages than men

    Article • Open Access Journal of Sports Medicine, November 2012, Taylor & Francis

    Beat Knechtle

  80. Comparison of anthropometric and training characteristics between recreational male marathoners and 24-hour ultramarathoners

    Article • Open Access Journal of Sports Medicine, October 2012, Taylor & Francis

    Beat Knechtle

  81. Running a marathon from -45°C to +55°C in a climate chamber: a case study

    Article • Open Access Journal of Sports Medicine, October 2012, Taylor & Francis

    Beat Knechtle

  82. Changes in single skinfold thickness in 100 km ultramarathoners

    Article • Open Access Journal of Sports Medicine, October 2012, Taylor & Francis

    Beat Knechtle

  83. Central European triathletes dominate Double Iron ultratriathlon – analysis of participation and performance 1985–2011

    Article • Open Access Journal of Sports Medicine, October 2012, Taylor & Francis

    Beat Knechtle

  84. Polymyalgia rheumatica in a married couple

    Article • International Journal of General Medicine, August 2012, Taylor & Francis

    Beat Knechtle

  85.  Running speed during training and percent body fat predict race time in recreational male marathoners

    Article • Open Access Journal of Sports Medicine, July 2012, Taylor & Francis

    Beat Knechtle

  86. Age and gender differences in half-Ironman triathlon performances – the Ironman 70.3 Switzerland from 2007 to 2010

    Article • Open Access Journal of Sports Medicine, July 2012, Taylor & Francis

    Beat Knechtle

  87. Age and sex interactions in mountain ultramarathon running – the Swiss Alpine Marathon

    Article • Open Access Journal of Sports Medicine, July 2012, Taylor & Francis

    Beat Knechtle

  88. Regulation of Electrolyte and Fluid Metabolism in Multi-stage Ultra-Marathoners

    Article • Hormone and Metabolic Research, May 2012, Thieme Publishing Group

    Beat Knechtle

  89. Predictor variables for a half marathon race time in recreational male runners

    Article • Open Access Journal of Sports Medicine, August 2011, Taylor & Francis

    Beat Knechtle

  90. Personal best times in an Olympic distance triathlon and in a marathon predict Ironman race time in recreational male triathletes

    Article • Open Access Journal of Sports Medicine, August 2011, Taylor & Francis

    Beat Knechtle

  91. Analysis of ultra-triathlon performances

    Article • Open Access Journal of Sports Medicine, August 2011, Taylor & Francis

    Beat Knechtle