Circus of Maxentius

Just beyond the walls of Rome, between the second and third milestones of the Via Appia, lie the remarkably intact remains of a chariot-racing track that almost no one ever raced in. The Circus of Maxentius was built between 306 and 312 CE by the emperor whose name it bears. Maxentius was acclaimed emperor at Rome in 306 and ruled the city and Italy until 312, when Constantine defeated him at the battle of the Milvian Bridge and he drowned in the Tiber. The circus he left behind is the best preserved of all Roman circuses.

The circus stood at the centre of a three-part complex that also included a hillside palace and a circular mausoleum, the three buildings laid out as a single architectural unit. From the imperial box, or pulvinar, linked to the residence by a covered portico, the emperor could preside over the races below while remaining visibly elevated above his subjects. Roughly 513 metres long and 91 metres wide, the arena could hold around ten thousand spectators, a fraction of the Circus Maximus‘s capacity but ample for projecting imperial magnificence. Built in concrete faced with brickwork, its western end still bristles with the twin towers and the carceres, the starting gates from which the chariots once surged.

The circus saw little use. The only games recorded there were its inaugural ones, and these appear to have been funerary in character, staged in honour of Maxentius’s young son Valerius Romulus, who died in 309 CE and was deified as divus Romulus. He was probably interred in the adjacent mausoleum, still known today as the Tomb of Romulus. After Maxentius’s death in 312 the complex seems to have been abandoned; excavation has shown that the track was already covered with sand in antiquity. For centuries the ruins were attributed to Caracalla, until Antonio Nibby’s excavation of 1825 uncovered inscriptions naming Romulus and restored the site to its true builder.

Scholars now read the complex as political architecture. The pairing of palace and circus was a hallmark of Tetrarchic rulers: Galerius built a similar complex in Thessaloniki, and Diocletian built one at Split. By reproducing that arrangement on the Appian Way, Maxentius asserted his legitimacy at a moment when it was fiercely contested. Lorraine Kerr went further, arguing that the circus was deliberately angled so that the tomb of Caecilia Metella, the massive drum-shaped mausoleum of an aristocratic woman of the late Republic, remained visible from the imperial box, binding Maxentius to the city’s republican past.

What survives on the Appian Way is a complex that fused spectacle, dynasty and mourning into a single design, and then fell silent within a few years of its completion. Today a visitor stands in the one Roman circus that still preserves its full plan, built by an emperor who had very little time to use it.

FURTHER READING

1. Frazer, Alfred. “The Iconography of the Emperor Maxentius’ Buildings in Via Appia.” The Art Bulletin, vol. 48, no. 3/4, 1966, pp. 385–92. JSTOR, https://doi.org/10.2307/3048394. Accessed 25 July 2026.
2. Humphrey, John H. Roman circuses: arenas for chariot racing. Univ of California Press, 1986.
3. Conlin, Diane A., et al. “The Villa of Maxentius on the Via Appia: Report on the 2005 Excavations.” Memoirs of the American Academy in Rome, vol. 51/52, 2006, pp. 347–70. JSTOR, http://www.jstor.org/stable/25609499. Accessed 25 July 2026.
4. Varner, Eric R. “Maxentius, Constantine, And Hadrian: Images And The Expropriation Of Imperial Identity.” Using Images in Late Antiquity, edited by STINE BIRK et al., Oxbow Books, 2014, pp. 48–77. JSTOR, https://doi.org/10.2307/j.ctvh1dwzx.8.