In case you missed it, the 2017 Fantasy F1 laughed on Friday evening.
To be in for the full season you have to post your team by the start of Fp1 on Friday ,,,check your local timezones when that is.
Don't worry if you miss it, or even want to take a tactical look at the runners before joining, you can enter at any time with your entry being included in the next event.
The start of FP1 is always the cut off for each event
THE full rules and where to post your entry are right