And everyone who [strenuously] competes in athletic events exercises self-control during training. Now they do this to receive a laurel wreath that withers, but we [do it to receive] a lasting crown.

in a split second, as quickly as the twinkle of an eye, when the last trumpet blows. For the trumpet will blow and dead people [i.e., believers] will be raised up, never to decay again, and [the living] will be changed [i.e., physically and spiritually].

Undefiled

And there will never be anything [morally] unclean allowed to enter it, nor any person who practices disgusting behavior [i.e., probably such sins as sexual perversion], or [any person] who is a liar. But the only ones [allowed there] are those [whose names are] recorded in the Lamb's book of life.

Fadeth

And when the Supreme Shepherd [i.e., Jesus] comes back, you will receive [for your effort] a glorious crown [of reward] that will never fade away [Note: The idea of "fading away" is suggested by the laurel wreath bestowed on the winner of an athletic contest].

For the sun rises with its scorching heat and withers the grass [so that] its flower [blossoms] fall off, and its beautiful appearance is destroyed. In the same way, the wealthy person will fade away as he goes about his business [affairs].

Reserved

[You have these qualities] because of the hope stored up for you in heaven, which [hope] you previously heard about through the message of truth when the Gospel

For you died [with Christ, See 2:20], and your life is [now] hidden with Christ in [fellowship with] God.

So, now there is a crown of righteousness reserved for me, which the Lord, who is a just Judge, will award me on that day [i.e., the judgment day], and not to me only, but also to everyone who has loved [the prospect of] His appearing.

General references

But [rather] store up your valuables in heaven [i.e., by investing your life in spiritual things], where neither moths can eat nor rust corrode, nor burglars break in and steal,