This book constitutes the proceedings of the Third International Conference on Sports Analytics, ISACE 2026, which took place in Vancouver, Canada, during June 1-2, 2026.

The 28 full papers, 2 short papers included in this book were carefully reviewed and selected from 74 submissions. The book also contains two invited talks. The papers focus on the application of AI, data science, psychology, and smart devices to improve sport performance, strategy, and decision-making.