He was a two-time NCAA Men's 100 m dash champion while running for Brigham Young University.

[4] Participating in the 2004 Summer Olympics, he achieved a third place in the 100 metres, thus securing qualification from his heat in a season's best time.

Entering the second round, he managed to qualify through to the semi-final, following a third place in the race and recording a further improvement upon his season's best.

He finished the semi-final in sixth place, thus failing to secure qualification to the final.

[5] Myles-Mills is a member of the Church of Jesus Christ of Latter-day Saints.