Sprint length - a fun debate. What is the best practice - a funny question. There is no best practice for sprint length. But what factors should go into the decision? The team's ability to become predictable within the sprint duration. The Product Owner's ability to plan and to commit to the unknown of not changing the plan for the sprint's duration. The frequency of needed feedback on the direction the team is making toward the release goal. The ability of the team to create their sustainable pace. Many team's I've worked with have trouble defining their sustainable pace . I've argued that this pace that allows the team to deliver both working software that is potentially shippable each sprint and to have high quality deliverables along with team learning is quite a bit below the teams typical sprint velocity. When teams are under extreme pressure to deliver they typically forget one of the 7 habits of effective people - to sharpen the saw . S