Bob Challis

Senior Lecturer

Faculty:Faculty of Science & Technology

Department:Sport and Exercise Sciences

Location: Cambridge

Areas of Expertise: Sport & Exercise Sciences

Bob’s research areas are performance analysis and long-term athlete development, while his main area of expertise is judo coaching and periodisation/planning.

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Bob is an applied scientist who works as a high-performance judo coach in a technical, tactical and planning capacity. His research focuses on the performance analysis of judo and talent development.

Research interests

  • Long-term athlete development (particularly adolescence)
  • Periodisation and planning for athletic performance
  • Performance analysis in judo
  • Talent identification

Areas of research supervision

  • Glenn Miller, PhD student studying the technical aspects of Nage-Waza in Judo during the 2016 Olympic qualification period
  • Performance analysis of judo


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BSc (Hons) Sports Coaching and Physical Education, BSc (Hons) Sports Science


  • BSc Sports Science, Anglia Ruskin University
  • BSc (Hons) Sports Performance, University of Bath
  • European Judo Union Level 5 High Performance Coach
  • PG Cert Learning and Teaching, Anglia Ruskin University
  • Accredited as a ISPAS Level 5 Performance Analyst

Memberships, editorial boards

  • Member, International Association of Judo Researchers (IAJR)
  • Member, the International Society of Performance Analysis of Sport
  • Member, Sports Coach UK
  • Member, the Higher Education Academy

Research grants, consultancy, knowledge exchange

  • Consultancy for Living sports gifted and talented programme
  • Performance coaching for Anglia Ruskin Judo
  • Coaching consultancy for Jonathon Morris
  • Member of the Anglia Ruskin sports strategy steering group
  • Performance analysis for British Judo
  • International Judo Federation Coaches Academy – consultancy in talent identification in judo

Selected recent publications

Miller, G., Collins, N., Stewart, M., and Challis, D.G., 2015. Throw type and technique efficiency of nage-waza  used in the 2013 Junior and Senior British Judo Championships. International Journal of Performance Analysis in Sport, 15(1).

Challis, D.G., Scruton, A., Cole, M. and Callan, M., 2015. A Time-Motion Analysis of Lightweight Women’s Judo in the 2010 World Championships. International Journal of Sports Science and Coaching, 10(3).

Santos, L., Fernández-Río, J., Ruiz, M.L., Del Valle, M., Callan, M., Challis, B. and Sterkowicz, S., 2014. Three- dimensional assessment of the judo throwing techniques frequently used in competition. Archive of Budo, 10, pp.107-115.

Challis, D.G., 2013. Talent Identification in Judo. Unpublished data (research on behalf of International Judo Federation coaching academy).

Recent presentations and conferences

Collins, N. and Challis, D.G., 2013. An Analysis of Kumi Kata at the Junior and Senior British Championships 2013. 8th International Judo Federation World Judo Research Symposium, Rio de Janeiro, Brazil.

Challis, D.G., 2013. A Temporal Analysis of the u52kg Women's Judo in the 2010 World Championships. 8th International Judo Federation World Judo Research Symposium, Rio de Janeiro, Brazil.

Callan, M., Challis, D.G. and McDonald, K. 2013. The Judo Research Group and Anglia Ruskin University. Faculty of Science & Technology 3rd Annual Research and Scholarship Conference, Cambridge, UK.

Callan, M. and Challis, D.G., 2012. Top 8 Judo 2012 Olympic Qualification Ranking List – Tracking Study. Presented to UK Sport and the British Judo Association.

Challis, D.G., 2011. A Temporal Analysis of the u48kg Women's Judo in the 2010 World Championships. 7th International Judo Federation World Judo Research Symposium, Paris.