It sounds good - which circuit did you start off with, and what changes have you made?
Just a general rationale if you would prefer not to divulge your IP!
https://www.justgiving.com/page/5-in-5-for-charlie This is my step son and his family. He is running 5 marathons in 5 days to support the research into STXBP1, the genetic condition my grandson Charlie has. Please consider supporting him!