"soon I will die and leave this world" (UDB). Paul realizes that he will not live much longer.
## I have competed in the good contest ##
This is a sports metaphor of fighting, wrestling, or boxing. Paul has done his best. This can also be translated as "I have done my best" or "I gave my best."
Possible meanings are 1) the crown is the prize that God gives to people who have lived the right way (see UDB) or 2) the crown is a metaphor (See: [[rc://en/ta/man/translate/figs-metaphor]]) for righteousness; just as the judge of a race gives a crown to the winner, when Paul finishes his life, God will declare that Paul is righteous.
## crown ##
a wreath made of laurel leaves that was given to winners of athletic contests
## on that day ##
"on the day when the Lord comes again" or "on the day when God judges people"