Complex sentence: The track's circuit reflected the heavenly course of the sun in its motion from dawn to dusk, from start to finish; the sun-god was the ultimate, ever-victorious charioteer and in Imperial ideology, the emperor was his earthly equivalent.
Split into simpler sentences: The track's circuit reflected the heavenly course of the sun in its motion from dawn to dusk, from start to finish. The sun-god was the ultimate, ever-victorious charioteer and in Imperial ideology, the emperor was his earthly equivalent.