To many, a lot of the below will be blindingly obvious I'm sure - but I thought it worth writing down for anyone that doesn't know.
The swimming season runs inline with the school year, September → July, and for those at the top of their game it continues into August.
Below is a table of what happens when:
|September → October||Skills and basic fitness improvement||Foundational skills are necessary to build fitness on top of|
|October → January||Fitness improvement and focus on Short Course competitions||County Championships are in February/March|
|January → April||Fitness improvement and speed development with focus on Long Course Competitions||Regional Championships are in April/May|
|May → July||Fitness improvement and speed development||National/British Championships are in the Summer|
|August → September||Rest, recovery and holiday time||Because humans need this|
Swimmers that don't qualify for pathway competitions (County / Regional etc.) still tend to follow a similar season plan because they are still focussing on getting fitter and faster in the hope that they'll get there next season/one day.