2 Timothy 2:5

Likewise, a competitor does not receive the crown unless he competes according to the rules.
BSB · Berean Standard Bible
And if a man also strive for masteries, yet is he not crowned, except he strive lawfully.
KJV · King James Version
Also, if anyone competes in athletics, he isn’t crowned unless he has competed by the rules.
WEB · World English Bible
And if also a man contend in the games, he is not crowned, except he have contended lawfully.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

strive
Luke 13:24; 1 Corinthians 9:24–27; Philippians 1:15; Colossians 1:29; Hebrews 12:4
is he
2 Timothy 4:7, 8; Hebrews 2:7, 9; James 1:12; 1 Peter 5:4; Revelation 2:10; Revelation 3:11; Revelation 4:4, 10