King James Version
Holding forth the word of life; that I may rejoice in the day of Christ, that I have not run in vain, neither laboured in vain.English Standard Version
holding fast to the word of life, so that in the day of Christ I may be proud that I did not run in vain or labor in vain.New International Version
as you hold out the word of life--in order that I may boast on the day of Christ that I did not run or labor for nothing.