The impact of Ramadan intermittent fasting on muslim and non-muslim athletes: A global perspective


Jad Adrian Washif
Abdul Rashid Aziz
Karim Chamari


Fasting, Global research , International consortium , Survey methodology, Training practices



  1. Briki W, Aloui A, Bragazzi NL, Chamari K. The buffering effect of Ramadan fasting on emotions intensity: A pilot study. Tunis Med. 2019;97(10):1187–1191.
  2. Chamari K, Roussi M, Bragazzi NL, Chaouachi A, Aziz AR. Optimizing training and competition during the month of Ramadan: Recommendations for a holistic and personalized approach for the fasting athletes. Tunis Med. 2019;97(10):1095–1103.
  3. Abaïdia AE, Daab W, Bouzid MA. Effects of Ramadan fasting on physical performance: A systematic review with meta-analysis. Sports Med. 2020;50(5):1009–1026. DOI: 10.1007/s40279-020-01257-0.
  4. Trabelsi K, Ammar A, Boukhris O, et al. Ramadan intermittent fasting and its association with health-related indices and exercise test performance in athletes and physically active individuals: An overview of systematic reviews. Br J Sports Med. 2024;58(3):136–143. DOI: 10.1136/bjsports-2023-106826.
  5. Aloui A, Baklouti H, Souissi N, Chtourou H. Effects of Ramadan fasting on body composition in athletes: a systematic review. Tunis Med. 2019 Oct;97(10):1087–1094.
  6. Trabelsi K, Ammar A, Zlitni S, et al. Practical recommendations to improve sleep during Ramadan observance in healthy practitioners of physical activity. Tunis Med. 2019;97(10):1077–1086.
  7. Chaouachi A, Leiper JB, Chtourou H, Aziz AR, Chamari K. The effects of Ramadan intermittent fasting on athletic performance: Recommendations for the maintenance of physical fitness. J Sports Sci. 2012; 30:53–73.
  8. Chtourou H, Trabelsi K, Boukhris O, Ammar A, Shephard RJ, Bragazzi NL. Effects of Ramadan fasting on physical performances in soccer players: a systematic review. Tunis Med. 2019;97(10):1114–1131.
  9. Chamari K, Briki W, Farooq A, Patrick T, Belfekih T, Herrera CP. Impact of Ramadan intermittent fasting on cognitive function in trained cyclists: A pilot study. Biol Sport. 2016;33(1):49–56.
  10. Eirale C, Tol JL, Smiley F, Farooq A, Chalabi H. Does Ramadan affect the risk of injury in professional football? Clin J Sport Med. 2013;23(4):261–266.
  11. Roy J, Hwa OC, Singh R, Aziz AR, Jin CW. Self-generated coping strategies among Muslim athletes during Ramadan fasting. J Sports Sci Med. 2011;10(1):137–144.
  12. Washif JA, Farooq A, Krug I, et al. Training during the COVID-19 lockdown: Knowledge, beliefs, and practices of 12,526 athletes from 142 countries and six continents. Sports Med. 2022;52(4):933–948. DOI: 10.1007/s40279-021-01573-z.
  13. Washif JA, Pyne DB, Sandbakk Ø, et al. Ramadan intermittent fasting induced poorer training practices during the COVID-19 lockdown: A global cross-sectional study with 5529 athletes from 110 countries. Biol Sport. 2022;39(4):1103–1115. DOI: 10.5114/biolsport.2022.117576.
  14. Washif JA, Aziz AR, Farooq A, et al. Training practices and sleep patterns of athletes during Ramadan fasting: An international survey. 2024. Proceedings of the American College of Sports Medicine. Boston MA.
  15. Guelmami N, Ben Ezzeddine L, Hatem G, et al. The ethical compass: Establishing ethical guidelines for research practices in sports medicine and exercise science. Int J Sp Sci Health, 2024;7(2), 31–46. DOI: 10.61838/kman.intjssh.7.2.4.